Cast a stone into the well
It is a Chinese idiom, Pinyin is t ó ush í Xi à J à ng, which means to take advantage of others' danger to set up. It comes from Liu Zihou's epitaph.
Idioms and allusions
[source]: it is said from the epitaph of Liu Zihou written by Han Yu of Tang Dynasty: "once you are faced with small interests, you will find that if you fall into the pit, you will be rescued by different hands, and if you push against it, you will fall into the stone." [example]: can Zheng wants to overthrow Pei Shu and others. He is happy to add some bad words to Quan zhongchu, and bring the two aspects of loss and distance together, which means he is in the same party with Shu. The 100th chapter of the romance of the Tang Dynasty by Cai Dongfan
Discrimination of words
Usage: used as object and attribute; used in dealing with affairs
Cast a stone into the well
can compose and perform military exercises - néng wén néng wǔ
the woman in her thirty-forties - xú niáng bàn lǎo
splits off as it meets the edge of knife without effort - yíng rèn bīng jiě
one does not consider things outside his position - sī bù chū wèi
un-matched in the past and the present - zhuó jué qiān gǔ
so poor as to have no room to stick an awl on - sheng wu li zhui
remove the evil and follow the good - gǎi è cóng shàn