We are generally very conscientious about our work.

我们一般对工作都是很认真的。

《柯林斯英汉双解大词典》

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The CCTV reporters are very conscientious.

中央电视台的记者很有责任心。

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And in such situations where the very survival of the community may be at stake we might call these emergency situations the conscientious statesmen must be able to respond appropriately.

而在这种情势下,社群的存活可能面临考验,我们可以称这些为紧急情势,谨慎的，政治家,必需能适时地回应。

耶鲁公开课 - 政治哲学导论课程节选

He's very conscientious and willing to do more tasks than we will ever let him.

BBC: Jim Clements