征兆的用法和樣例：
例句
-
這次暴動可看作是政治上不穩定的征兆。
The riot can be considered a symptom of political instability. -
預告，為 ... 的征兆預示著重大事情或災難性事情即將發生的預兆；預告
An indication of something important or calamitous about to occur; an omen. -
有刮臺風的征兆。
There was a threat of typhoon.
