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》

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

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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.

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