He nodded (his) assent.

他点头同意了。

《牛津词典》

He nodded gratefully.

他感激地点了点头。

《牛津词典》

He nodded his head in hearty agreement.

他十分赞同地点了点头。

《牛津词典》

He nodded his head and bended down, then turned to Rudolf.

VOA: special.2010.05.08

As he passed them, the old man nodded coldly to Professor Baglioni.

VOA: special.2009.05.23

He nodded, swayed, bounced, and once (when discussing social security) rose to his tiptoes.

FORBES: Body Language Advice for Rick Perry

He nodded to me, installed himself at the table, and started to peel and slice them.

NEWYORKER: Raj, Bohemian

Stoke's second goal was scored by Jon Walters after he nodded Marc Wilson's cross across keeper Peter Brezovan.

BBC: John Carew scores the opener for Stoke