死命

zhì rén sǐ mìng

致人死命

send someone to their doom

sǐ mìng zhuā zhe yī gēn shù zhī

死命抓着一根树枝

hold on to a branch for dear life

sǐ mìng de dǎ

死命地打

hit with all one's might

tā sǐ mìng zhuā zhe shéng zi

她死命抓着绳子。

She was holding on to the rope for dear life.