creep up on

US /kriːp ʌp ɑːn/
UK /kriːp ʌp ɑːn/
"creep up on" picture
1.

يتسلل إلى, يتقرب خلسة

to approach someone or something slowly and quietly so as not to be noticed

:
The cat tried to creep up on the bird.
حاول القط التسلل إلى الطائر.
Don't let problems creep up on you; address them early.
لا تدع المشاكل تتسلل إليك؛ عالجها مبكراً.