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

to act as a model to a painter

act of negligence

an act of gross negligence

to act on the spur of the moment

to act impulsively

I’ll act on your advice

to act as if one owns the place

to act cool

to act in bad faith

to act in good faith

to act out of character

to act stupid

to act the big shot

to act like a madman