give someone the slip
US /ɡɪv ˈsʌm.wʌn ðə slɪp/
UK /ɡɪv ˈsʌm.wʌn ðə slɪp/

1.
擺脫, 溜走
to escape from someone who is chasing or following you
:
•
The suspect managed to give the police the slip in the crowded market.
嫌疑犯設法在擁擠的市場中擺脫了警察。
•
We tried to follow them, but they gave us the slip.
我們試圖追蹤他們,但他們擺脫了我們。