Chinese

			tooth	mix together; peace; harmony mix together; peace; harmony; and; with; union; cap (a poem); respond in singing; soft; warm	blood	to swallow; to take
trad. (打落牙齒和血吞)		打落	牙齒	和	血	吞
simp. (打落牙齿和血吞)		打落	牙齿	和	血	吞

Idiom

打落牙齒和血吞

1. to silently endure all manner of insults and abuse