She gave a nod and said, "I see."

她点了一下头说：“我明白了。”

《柯林斯英汉双解大词典》

AS I approached, she gave me a nod of greeting.

我走近时，她对我点了点头打招呼。

youdao

Mr Hotshot Banker, if she ate her way through a boxcar of Ex-Lax, she wouldn't dare fart unless I gave her the nod.

厉害的银行家先生，除非我点头，她连个屁都不敢放一个。

youdao

"He gave me the nod saying he wasn't going to go, so I knew had to pick it up a little more and try to bring us home, bring this win home for us, " James said.

NPR: James Leads Heat Over Bucks And Into Next Round