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- Although their English wasn't perfect, their seriousness and conscientious attitude towards the competition was most pleasing. 虽然他们的英语还不娴熟， 但是他们严肃认真的态度确实令人欣喜。
- She's very thorough and conscientious. 她勤勤恳恳，一丝不苟。
- I was very regular and conscientious about it. 我非常认真地执行，持之以恒。
- I am a very reliable and conscientious person. 我是一个诚实可信对工作负责的人.
- I am well organized, accurate, and conscientious. 我很有组织条理，凡事力求准确无误，办事认真尽责。
- It is very serious and important, Why do you change horses in midstream. 这是十分严肃而又重要的事。你为什么中途改变计划了？
- This is a most serious and vital struggle. 这是一个极严重极紧要的斗争。
- Here was a serious and unexpected check. 这是一个严重而出乎预料的障碍。
- Yet it was a manly face, serious and intelligent. 可是，那是一张男子汉的脸庞，严肃而聪颖。
- Be serious and sing the national anthem loudly. 自觉肃穆,高唱国歌。
- Your condition is serious and requires surgery. 你的情况很严重, 需要动外科手术。
- I like Germans' rigorous and conscientious attitude. 喜欢德国人严谨、认真的态度。
- These are serious and reprehensible offences. 这些是严重罪行，应受谴责。
- There is no twister but an observant and conscientious person. 世上无难事，只怕有心人。
- There are both serious and light programmes on ITV. ITV既有严肃的也有轻松的节目.
- They are serious and they are many. 他们是认真的，他们是很多的。
- This topic represents serious and pesante. 这个题目显得比较严肃和沉重。
- I think we have been rather careful and conscientious in this matter. 我看是相当认真、严肃，也相当仔细了。
- He is never serious and works in a perfunctory manner. 他工作浮皮潦草，从不认真。
- From my perspective, if the developer is a conscientious and responsible and a very serious and very sensible customers, I think we should all problems can be resolved. 从我的角度来看，如果是一个认真负责的开发商和一个很认真、很理智的客户来说，我觉得应该所有的问题都能解决。
