他是如此吝啬，甚至不给自己儿子生日礼物。

He's so mean, he didn't even get his son a birthday present.

youdao

我给我儿子买了个玩具作为他的生日礼物，这使得他很高兴。

I gave my son a toy for his birthday, which pleased him a lot.

youdao

我正在为我儿子物色一个生日礼物。

I'm looking for a gift for my son's birthday.

youdao