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.
她說不定已經死了。