玉石俱摧

yù shí jù cuī

单则易折，众则难摧

dān zé yì zhé，zhòng zé nán cuī

黑云压城城欲摧

hēi yún yā chéng chéng yù cuī

穷当益坚

qióng dāng yì jiān

阴凝坚冰

yīn níng jiān bīng

脆而不坚

cuì ér bù jiān

山崩地陷

shān bēng dì xiàn

冲锋陷坚

chōng fēng xiàn jiān