打掉门牙，往肚子里咽

dǎ diào mén yá , wǎng dù zi lǐ yàndadiaomenya,wangduziliyan

1. lit. to swallow one's knocked-out teeth after getting punched in the face (idiom)
2. fig. to endure bullying or insults stoically

Study it in Yanamino