那辆超速行驶的汽车对行人构成了威胁。

The speeding car is a ___menace to pedestrians.

他阴沉的脸色预示着即将到来的麻烦。

His gloomy expression carried a ___menace of impending trouble.

那个陌生人用凶狠的眼神威胁着路人。

The stranger ___menaced passers-by with his fierce glare.