粵典 (words.hk)香港詞
人哋有難,唔單只唔幫,仲加以陷害,有如人哋跌咗落井,唔救不特止,仲向佢掟石 (to maltreat an injured person; literally: to fall into a well and throw stones)
動詞用例
呢條友好眉好貌,實情心術不正,周不時落井下石。
ni1 tiu4 jau2 hou2 mei4 hou2 maau6, sat6 cing2 sam1 seot6 bat1 zing3, zau1 bat1 si4 lok6 zeng2 haa6 sek6.
It seems he is an upright person but in fact he is always harboring evil intentions.