The United States and South Korea say they will be diligent about implementing U.N.Security Council sanctions imposed after North Korea conducted the second nuclear weapons test in its history in May.

VOA: standard.2009.09.06

And besides that, lest that not be enough to make sure everyone can succeed in a course like this, we have a very diligent teaching fellow who not only likes to scribe the courses lectures.

另外，为了让大家都能,学好这门课，我们有一个很勤奋的助教,他很乐意记录下课程教案。

哈佛公开课 - 计算机科学课程节选

And the truth of whether a book should or should not be censored is something that's come about through the diligent effort of a group, rather than a single arbitrary judge like the state licenser.

但一本书是否真正被控制,是一堆人努力的结果，而不是政府出版管理处的人员专横的决定。

耶鲁公开课 - 弥尔顿课程节选