creep up on
US /kriːp ʌp ɑːn/
UK /kriːp ʌp ɑːn/
1.
悄悄靠近, 不知不覺地發生
to approach someone or something slowly and quietly so as not to be noticed
:
•
The cat tried to creep up on the bird.
貓試圖悄悄靠近那隻鳥。
•
Don't let problems creep up on you; address them early.
不要讓問題悄悄出現；及早解決它們。