n. something that is a source of danger
n. a threat or the act of threatening
v. express a threat either by an utterance or a gesture
v. act in a threatening manner
n. 威胁, 胁迫
v. 威吓, 胁迫
1. The dark clouds in the sky are a menace to our picnic plans.
天空中的乌云对我们的野餐计划构成威胁。
2. The stray dog became a menace in the neighborhood, barking at everyone.
那只流浪狗在邻里中成了一个威胁，向每个人吠叫。
3. Pollution is a serious menace to the environment and our health.
污染对环境和我们的健康构成了严重威胁。