Definition of creep up on

creep up onphrasal verb

rón rén tiến tới

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to move slowly nearer to somebody, usually from behind, without being seen or heard

Example:
  • Don't creep up on me like that!
  • The cat quietly crept up on the pigeon.

to begin to affect somebody, especially before they realize it

Example:
  • Tiredness can easily creep up on you while you're driving.
  • Fatigue was creeping up on him.