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。
Why are you so dead set against the idea?
你為什么那樣死命地反對這個主意呢？
Why study Latin? It's a dead language.
為什么學拉丁語？它已經不再有人說了。
We don't know whether he's alive or dead.
我們不知道他是死是活。