您要查找的是不是：
- Stop giggling, children; this is a serious matter. 孩子们，别傻笑了，这是严肃的事情。
- This is a serious problem of which I am well aware. 这是个很大的问题，我是意识到这个问题的。
- Stop being facetious. This is a serious matter. 别开玩笑了，这是件正经的事。
- Stop grinning! This is a serious matter. 别傻笑了!这可是件很严重的事情.
- This is a serious matter; let's not joke about it. 这是正经事， 可别打哈哈。
- This is a serious book ,not an entertainment. 这是一本严肃的书，不是供消遣的。
- This is a serious matter. or This is no joke. 这是正经八百的事。
- This is a serious discussion. Let's find someplace quieter to talk. 这是一次严肃的讨论。让我们找个安静点的地方谈。
- This is a serious defect in the democratic activities of our Party. 这是我们党的民主生活中的一个重要的缺点。
- This is a serious dilution of their election promises. 这是对他们竞选时许下的诺言大打折扣。
- This is a serious Merlot, a wine of remarkable fruit expression. 这是纯正的梅乐葡萄酒,充满水果气息。
- This is a serious crime and carries a long jail sentence. 这罪行很严重,会判很长的徒刑。
- This is a serious dispute and could lead to armed conflict. 这是个非常严重的争吵,会导致武装冲突。
- This is a serious meeting, not just an exchange of words. 这是一场严肃的聚会，不仅仅是交换语言。
- This is a serious weed of rice fields in tropical regions. 这是一根在热带的地区的稻田的严重的杂草。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- This is a false and baseless accusation. 这是一个虚假的控告。
- This is a serious weakness in the whole field of XML processing. 这在整个XML处理领域中是个严重的缺陷。
- This is a serious dispute, and could lead to armed conflict. 这是一场严重的争执, 有可能导致武装斗争。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
