"earthquakes are a constant threat in Japan"
"they were under threat of arrest"
"his threat to kill me was quite explicit"
"he was the terror of the neighborhood"
There is no terror, Cassius, in your threats.
A threat of rain darkened the sky.
The movement to reform the House of Lords has arisen in the face of a threat to abolish it.
Coal mining in those areas was a threat to public safety.
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)