menacing
adj. 威胁的；险恶的
v. 威胁（menace 的 ing 形式）；恐吓
例句
Sarah made a menacing gesture with her fist.
萨拉用拳头做了个威胁的手势。
《柯林斯英汉双解大词典》
Their noise modulated to a concerted menacing growl punctuated by sharp yaps.
它们的喧闹声逐渐变为整齐划一的、带有威胁性的吼叫，还夹杂着刺耳的狂吠。
At night, the dark streets become menacing.
在夜晚，漆黑的街道变得阴森森的。
《牛津词典》
