Knock someone's socks off

 1. Miss Chu Chu:
The police using tear gas against protestors knocks everyone's socks off!

 2. Scott:
敲打大家的襪子?!

 

 3. Miss Chu Chu:
Knock someone's socks off = 令某人大吃一驚

4. Scott:
警察用催淚彈對付示威者使人大吃一驚