Examples
tāng汤mǔ姆bù zhī不知dào道mǎ玛lì丽de的sǐ huó死活。
汤姆不知道玛丽的死活。
Tom doesn't know if Mary is dead or alive.
她的地址死活想不起来。
I can't for the life of me remember her address.
要是我知道会发生这种事,那我死活不同意。
If I'd known that it would come to this, I would have never consented.