Bedeutung von “act” — Learner’s Dictionary

act

verb us uk /ækt/
You'll have to act fast.We must act quickly and decisively to stop the spread of the disease.The judge ruled that they had acted correctly.He claimed he had acted in self-defence.The court ruled that he had acted improperly.
BEHAVE [ I ]

B1 to behave in a particular way:

Jeff's been acting strangely recently.
Stop acting like a child!
DO SOMETHING [ I ]

B2 to do something, especially in order to solve a problem:

We have to act now to stop the spread of this disease.
PERFORM [ I, T ]

B1 to perform in a play or film:

He's acted in a number of successful Hollywood films.

(Definition von “act verb” aus dem Cambridge Learner's Dictionary © Cambridge University Press)