A man is deliberately designed to be mortal. He grows, he ages, and he dies.

人是被故意设计成终归一死的。成长，变老，然后死去。

《柯林斯英汉双解大词典》

Her reputation suffered a mortal blow as a result of the scandal.

这一丑闻毁了她的名声。

《牛津词典》

The Clerk felt a mortal fright, and flew through the window, far away over the houses and streets.

录事吓了一跳，从窗子飞了出去，远远地飞过房屋和街道。

youdao

Talk that some were labeling the prime minister an apostate (apostasy, or renouncing the faith, is a mortal sin in Islam) spread quickly.

CNN: Mahathir's Worldly Concerns

In 1980 the rise of Solidarity--a mass movement led by a shipyard electrician, Lech Walesa (later, free Poland's first president)--posed a mortal threat to the Evil Empire.

FORBES: Fact and Comment

Particularly if equipped with chemical or biological weapons (which the Syrians and Iranians have in abundance), such missiles would pose a mortal threat to Israel and her people.

CENTERFORSECURITYPOLICY: How wars begin