I was born in nanjin，in which(when) it was getting warmer.

我出生在南京，天气变温暖了。

“resigned”辞职

I know the reason for which(why) he resigned.

我知道他辞职的原因。

I don’t like the way in which he talks.

我不喜欢他谈话的方式。

the way不能与how并用