She could only nod, because her mouth was full.

她只能点点头，因为她口里塞满了东西。

《牛津词典》

Day, weekdays only nod with her mother at the turn she was invited to the home.

一天，平日也与她只有点头之交的母亲被她请到了家中。

youdao

So you can only nod with smile, and don't ask any more with an assumption of indifference.

但是这样就显得你在乎了，于是你只好微笑点头，满不在乎的没有追问下去。

youdao

The traditional crib that can still be found in many homes is France's only nod to the spiritual side of Christmas.

ECONOMIST: Spoil the French and spare the Child

Norman clearly enjoys the only nod to opera on the new disc, a jazzed-up version of the "Habanera" from Bizet's Carmen.

NPR: Jessye Norman: Back To Her 'Roots'

At the other end, Santa Cruz almost had the better of England goalkeeper Foster but he could only nod the ball on to the bar.

BBC: Dunn tackles Bowyer at Ewood Park