"Shy" 是英语中常用来表示 "羞怯" 的词。这个词源自古英语中的 "sceam"，意思是 "害怕、畏惧"。

例句：

She was shy and didn't want to speak in front of the class. (她很羞怯，不想在班里讲话。)
He was so shy that he couldn't even look at her. (他很羞怯，甚至连看她的眼睛都不敢。)
The shy kitten hid under the couch. (这只羞怯的小猫躲在沙发底下。)

希望这对你有帮助！