to achieve a good reputation

to be achieved at a high cost in human life

Achilles’ heel

to be aching all over

acid

acid head

acid test

to do acid

to be acquainted with Henry Miller

to acquiesce in an arrangement

I acquiesced in it.

I acquire a language.

to acquire a taste for it

to acquire a fortune

to acquire a habit

to acquire money in the short term

It’s an acquired taste

across-the-board

to go across something

across the pond

Act your age [and not your shoe size]

to act the artist

to act the innocent

to act in the spirit of someone

to act on behalf of another person