dǎ​sǐ​lǎo​hǔ

kick a man when he's down

Senses

打死老虎 dǎ​sǐ​lǎo​hǔ kick a man when he's down

to attack a person who has already lost their power or status; to take advantage of someone else's victory while pretending to be a hero

打死老虎 dǎ​sǐ​lǎo​hǔ to kill a tiger

to beat a tiger to death

References

see 打死老虎/打死老虎 吕氏春秋/呂氏春秋