Meaning of zhì mìng:
致命
fatal; mortal; deadly
Zhè zhǒng bìngdú kěnéng shì zhìmìng de.
这种病毒可能是致命的。
This virus can be fatal.
Zhè cì shìgù duì wǒmen lái shuō shì yīgè zhìmìng de dǎjī.
这次事故对我们来说是一个致命的打击。
This accident was a mortal blow to us.
Zhè zhǒng bìngdú de chuánbò sùdù hěn kuài, érqiě kěnéng shì zhìmìng de.
这种病毒的传播速度很快,而且可能是致命的。
The spread of this virus is very fast and it could possibly be deadly.
to sacrifice one's life
Tā wèile guójiā zuò chūle zhìmìng de gòngxiàn.
他为了国家做出了致命的贡献。
He made a life-sacrificing contribution for his country.