打落水狗 dǎ luò shuǐ gǒu

DEFINITIONS

  1. lit. to beat a drowning dog (idiom)
  2. fig. to pulverize an (already defeated) enemy
  3. to hit sb when he's down

CHARACTERS

打 dǎ strike, hit, beat; fight; attack
落 luò fall, drop; net income, surplus
水 shuǐ water, liquid, lotion, juice
狗 gǒu dog, canis familiaris