一件: a piece of但有一件事: but there is one thing第一件事: the first thing第一件事是: the first thing that became apparent was..调查一件事: search into a matter还有一件事: just one more thing; one more thing每一件事情: each thing每一件事物: everything通告一件事: make the announcement宣布一件事: make an announcement最后一件事: one last thing做一件事: do one当一件事引发另一件事时: when one thing leads to another停下一件事去做另一件事: stoto do喜欢一件事胜过另一件事: prefer one thing to another对于一件事物: for one thing记得每一件事: remember everything平常的一件事: an ordinary event做了一件事后: go on to do彻底调查一件事: probe a matter to the bottom吃力地干一件事: labor at a task have a hard job doing a thing定下心来做一件事: to get down to而我想问你一件事: and let me ask of you one thing跟您打听一件事: i'd like to ask you about sth很努力地(做一件事): work one's butt off