- 落井下石 luòjǐngxiàshí to hit someone when they are downLiterally meaning to throw stones at someone who has fallen into a well; used to describe harming or taking advantage of someone who is already in a difficult situation
- 投井下石 tóujǐngxiàshí to hit someone when they are downto fail to help someone in danger and instead take the opportunity to harm or frame them; to throw stones at someone who has fallen into a well
