act up

• Verbo frasal usado para indicar que algo está funcionando mal ou que alguém está se comportando mal ou de forma travessa.

A phrasal verb used to indicate that something is not functioning properly or that someone is behaving badly or mischievously.

incontável · intransitivo · phrasal, sem objeto

1. Misbehaveinformal

   To behave badly or cause trouble, especially for children or animals.

   Comportar-se mal

   • The children started to act up when they got bored.
   • My dog always acts up when strangers come to the door.
   • If you act up in class, you'll get detention.

   Sinônimoscarry onmisbehaveplay up

   Antônimosbehaveobey

2. Malfunctioninformal

   To function poorly or not work correctly, usually for machines or body parts.

   Funcionar mal

   • My computer is acting up again; it keeps freezing.
   • His knee started acting up after the long run.
   • The car's engine acts up when it's cold outside.

   Sinônimosbreak downconk outfailgo wrongmalfunctionmisbehaveplay up

   Antônimosfunctionoperatework

Verbo baseact