diligent in

基本解釋

For the future, try to be more diligent in your work.
今后你應該更勤奮。
《新英漢大辭典》
A： With my qualifications and experience, I feel I am hardworking, responsible and diligent in any project I undertake.
依我的資格和經驗，我覺得我對所從事的每一個項目都很努力、負責、勤勉。
putclub.com
Many projects fail because of scope creep, and the project manager needs to be diligent in guarding against it.
許多項目失敗的原因正是因為需求漸變，而項目經理需要勤快些，對此加以防范。

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.
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，為了讓大家都能,學好這門課，我們有一個很勤奮的助教,他很樂意記錄下課程教案。
哈佛公開課 - 計算機科學課程節(jié)選

This means boards have to be more diligent in their oversight and management of risk.
FORBES
' At the same time, MPAC has been equally diligent in defending individual terrorists uncovered by federal investigations.
CENTERFORSECURITYPOLICY: Center For Security Policy