我们想，既然到了这个地方，就该顺便去看看他们。

We thought that, since we were in the area, we'd stop by and see them.

既然我到时候不在，我想重新安排一下会议的时间。

Since I'll be away, I'd like to reschedule the meeting

既然战争结束了，他们希望一切都恢复常态。

They are hoping for a return to normality now that the war is over.

既然你说到这事儿，她确实好像情绪不大对。

Now that you mention it, she did seem to be in a strange mood.

既然她在巴黎待了五年，她的法语怎么还会这样糟糕？

If she spent five years in Paris, how come her French is so bad?

既然要我说嘛，我认为你不接受那才傻呢。

If you want my opinion, I think you'd be crazy not to accept.

既然已经发动了革命，我们就一定要进行到底。

Having started a revolution we must go all the way

既然我做什么都于事无补，我为什么还要费劲呢？

Nothing I do makes any difference anyway, so why bother?

既然对你起作用，这就是个明智的决定。

This was a good decision inasmuch as it worked for you.

既然照片证据可以接受，有罪判决将大幅增加。

Convictions will rise steeply now photographic evidence is admissible.

既然出售香烟是合法的，那么禁止做香烟广告就是违宪的。

Banning cigarette advertising would be unconstitutional, since selling cigarettes is legal.

既然克里斯走了，她就想让我接替他的位置。

Now that Chris is gone she wants me to step into his shoes.

既然我努力做到诚实，我希望其他所有人也能诚实。

As I try to be truthful, I expect everyone else to be truthful