先兆

dào dé bài huài shì mín zú shuāi bài de xiān zhào

道德败坏是民族衰败的先兆。

Moral corruption is the forerunner of national decline.

nà bèi rèn wéi shì zhǒng bù xìng de xiān zhào

那被认为是种不幸的先兆。

It is said to be an omen of misfortune.

xiān zhào zhèng zhuàng

先兆症状

precursory symptoms

dì zhèn xiān zhào

地震先兆

indications of an impending earthquake

bào fēng yǔ xiān zhào

暴风雨先兆

omen of storm