ㄊㄡˊㄐㄧㄥˇㄒㄧㄚˋˊtóujǐng‑xiàshí

  1. 不但反而石頭比喻別人遇到危難乘機加以陷害落井下石」。 不能乘人之危投井下石缺德」。

to throw stones at sb who fell down a well (idiom)​; to hit a person who is down