eye blink

• Um momento muito curto ou instante; usado em expressões como «num piscar de olhos» para indicar algo que acontece extremamente rápido.

A very brief moment or instant; often used in phrases like 'in the blink of an eye' to indicate something happening extremely quickly.

1. Very short timeB1informal

   An extremely brief moment; a very short period of time.

   Piscar de olhos

   • The accident happened in an eye blink.
   • He finished the race in an eye blink.
   • The magician made the coin disappear in an eye blink.

2. Reflexive actionA2formal

   The act of quickly closing and opening the eyelids, often involuntarily.

   Ação reflexa

   • An eye blink helps to keep the eye moist.
   • The doctor measured the speed of her eye blink.
   • Frequent eye blinks can be a sign of fatigue.