误She nodded a welcome for him.
正She nodded him a welcome.
正She nodded a welcome to him.
析nod用作及物动词时可接双宾语,其间接宾语可以转化为介词to的宾语,但不可转化为for的宾语。
误He answered with nods.
正He answered with a nod.
析nod用作名词时一般用单数,多与with a连用,表示伴随状态。