objective case of who, Old English hwam (Proto-Germanic *hwam), dative form of hwa (see who). Ungrammatical use of who form whom is attested from c. 1300.
权威例句
1. "I want to send a telegram." — "Fine, to whom?"
“我想发份电报。”——“好的,发给谁?”
2. Soldiers took away four people one of whom was later released.
士兵们抓走4个人,其中1个随后被放了回来。
3. Elizabeth met other Oxford intellectuals some of whom overlapped Naomi's world.
伊丽莎白结识了其他一些牛津大学的学者,其中有几位娜奥米也认识。
4. Whom would it profit to terrify or to kill James Sinclair?
恐吓或者干掉詹姆斯·辛克莱对谁会有好处?
5. This was the man whom other trainers love to carp about.