We have tried to avoid any moralizing.

我们已力图避免任何形式的说教。

《柯林斯英汉双解大词典》

We have tried to pursue a policy of neutrality.

我们力行中立的政策。

《牛津词典》

We have tried to inculcate a feeling of citizenship in youngsters.

我们试图向年轻人灌输公民意识。

《柯林斯英汉双解大词典》

And for decades, whenever we have tried to reform the system, the insurance companies have done everything in their considerable power to stop us,".

VOA: standard.2009.10.17

So this just - just saying a little bit more about the sections, there's three sections, we have online discussion section sign up, has anybody tried to do that yet?

这只是对组会做更多一些的介绍,有三种组会,我们有在线讨论组会,有人曾经尝试过这个么

耶鲁公开课 - 生物医学工程探索课程节选

So as I tried to say on the board, we can have n equals 1, 1/2 but since we can't have n equals 1/2, we actually can't have a binding energy that's anywhere in between these levels that are indicated here. And that's a really important point for something that comes out of solving the Schrodinger equation is this quantization of energy levels.

我在这要说的是，我们可以让n等于，但不能让n等于,我们不能得到在这些标出来的,能级之间的结合能，能级的量子化,是从解薛定谔方程中,得到的很重要的一点。

麻省理工公开课 - 化学原理课程节选

All we have tried to do is do what's right and try our best.

BBC: Carlisle chief backs boss Abbott

We have tried to strike a balance where we think the essential work can go on.

WHITEHOUSE: Press Briefing on the President's Budget

We have tried limited, piecemeal talks while we outsource the sustained work to our European allies.

NPR: Transcript: Obama's Speech at AIPAC