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A bit much

If something is excessive or annoying, it is a bit much.

A chain is no stronger than its weakest link

This means that processes, organisations, etc, are vulnerable because the weakest person or part can always damage or break them.

A day late and a dollar short

(USA) If something is a day late and a dollar short, it is too little, too late.

A fool and his money are soon parted

This idiom means that people who aren't careful with their money spend it quickly. 'A fool and his money are easily parted' is an alternative form of the idiom.

A fool at 40 is a fool forever

If someone hasn't matured by the time they reach forty, they never will.

A hitch in your giddy-up

If you have a hitch in your giddy-up, you're not feeling well. ('A hitch in your gittie-up' is also used.)

A lick and a promise

If you give something a lick and a promise, you do it hurriedly, most often incompletely, intending to return to it later.

A little bird told me

If someone doesn't want to say where they got some information from, they can say that a little bird told them.

A little learning is a dangerous thing

A small amount of knowledge can cause people to think they are more expert than they really are.eg. he said he'd done a course on home electrics, but when he tried to mend my table lamp, he fused all the lights! I think a little learning is a dangerous thing

A long row to hoe

Something that is a long row to hoe is a difficult task that takes a long time.

A lost ball in the high weeds

A lost ball in the high weeds is someone who does not know what they are doing, where they are or how to do something.

A OK

If things are A OK, they are absolutely fine.

A penny for your thoughts

This idiom is used as a way of asking someone what they are thinking about.

A penny saved is a penny earned

This means that we shouldn't spend or waste money, but try to save it.

A picture is worth a thousand words

A picture can often get a message across much better than the best verbal description.

A poor man's something

Something or someone that can be compared to something or someone else, but is not as good is a poor man's version; a writer who uses lots of puns but isn't very funny would be a poor man's Oscar Wilde.

A pretty penny

If something costs a pretty penny, it is very expensive.

A problem shared is a problem halved

If you talk about your problems, it will make you feel better.

A rising tide lifts all boats

This idiom, coined by John F Kennedy, describes the idea that when an economy is performing well, all people will benefit from it.

A rolling stone gathers no moss

People say this to mean that that an ambitious person is more successful than a person not trying to achieve anything. Originally it meant the opposite and was critical of people trying to get ahead.

A slice off a cut loaf is never missed

Used colloquially to describe having sexual intercourse with someone who is not a virgin, especially when they are in a relationship. The analogy refers to a loaf of bread; it is not readily apparent, once the end has been removed, exactly how many slices have been taken.('You never miss a slice from a cut loaf' is also used.)

A steal

If something is a steal, it costs much less than it is really worth.

A still tongue keeps a wise head

Wise people don't talk much.

A watched pot never boils

Some things work out in their own time, so being impatient and constantly checking will just make things seem longer.

A1

If something is A1, it is the very best or finest.

Abide by a decision

If you abide by a decision, you accept it and comply with it, even though you might disagree with it.

Abject lesson

(India) An abject lesson serves as a warning to others. (In some varieties of English 'object lesson' is used.)

About as useful as a chocolate teapot

Someone or something that is of no practical use is about as useful as a chocolate teapot.

About face

If someone changes their mind completely, this is an about face. It can be used when companies, governments, etc, change their position on an issue.

Above board

If things are done above board, they are carried out in a legal and proper manner.

Above par

Better than average or normal

Absence makes the heart grow fonder

This idiom means that when people are apart, their love grows stronger.

Accident waiting to happen

If something is an accident waiting to happen, there's definitely going to be an accident or it's bound to go wrong. ('Disaster waiting to happen' is also used.)

Ace in the hole

An ace in the hole is something other people are not aware of that can be used to your advantage when the time is right.

Ace up your sleeve

If you have an ace up your sleeve, you have something that will give you an advantage that other people don't know about.

Achilles' heel

A person's weak spot is their Achilles' heel.

Acid test: Lửa thử vàng, gian nan thử sức

An acid test is something that proves whether something is good, effective, etc, or not.

Across the board

If something applies to everybody, it applies across the board.

Across the ditch

(NZ) This idiom means on the other side of the Tasman Sea, used to refer to Australia or New Zealand depending on the speaker's location.

Across the pond

(UK) This idiom means on the other side of the Atlantic Ocean, used to refer to the US or the UK depending on the speaker's location.

Act of God

An act of God is something like an earthquake or floods that human beings cannot prevent or control.

Act of war

An act of war is a action that is either intended to start a war or that is interpreted as being sufficient cause for a war.

Actions speak louder than words: Nói ít làm nhiều.

This idiom means that what people actually do is more important than what they say- people can promise things but then fail to deliver.

Adam's apple

The Adam's apple is a bulge in the throat, mostly seen in men.

Add fuel to the fire: Đổ thêm dầu vào lửa.

If people add fuel to the fire, they make a bad situation worse.

Add insult to injury

When people add insult to injury, they make a bad situation even worse.

After your own heart

A person after your own heart thinks the same way as you.

Against the clock: Chạy đua với thời gian

If you do something against the clock, you are rushed and have very little time to do it.

Against the grain

If doing something goes against the grain, you're unwilling to do it because it contradicts what you believe in, but you have no real choice.

Age before beauty

When this idiom is used, it is a way of allowing an older person to do something first, though often in a slightly sarcastic way.

Agony aunt

An agony aunt is a newspaper columnist who gives advice to people having problems, especially personal ones.

Ahead of the pack

If you are ahead of the pack, you have made more progress than your rivals.

Ahead of time

If something happens ahead of time, it happens early or before the set time.