But I never knew I was losing you.

但我不知道我早就失去了你。

youdao

But I never knew what was happening throughout the process.

但在整个处理过程中我都不了解进程怎么样。

youdao

A woman will sometimes confess her SINS, but I never knew one to confess.

女人有时侯会为她的罪忏悔，但我从没见过承认自己错误的女人。

youdao

But I never knew too much, and my... they don't really speak English that well,

但我知道的不多，而且我的。。。实际上他们的英语并不是很好。

学习外语的原因 - SpeakingMax英语口语达人

I've never been here before but I knew what I had to do.

CNN: Newly-divorced Vonn upstaged in World Cup comeback

But I knew I could never make it stick.

NPR: From Pho to Fast Food, an Immigrant's Tale

But somehow I knew that we could never share real fear.

NEWYORKER: Rat Beach