例句：

　　They are still grieving for their dead child.

　　他們還在為死去的'孩子傷心。

　　Don't speak ill of the dead.

　　對死去的人，別說他的短處。

　　We had come to a dead end in our research.

　　我們的研究工作已陷入絕境。

　　She's dead set on getting this new job.

　　她打定主意要得到這個新工作。

　　She could be dead for all I know.

　　她說不定已經(jīng)死了。