tight-lipped
01
沉默寡言的, 守口如瓶的
unwilling to speak freely or disclose information
例子
She stayed tight-lipped and shook her head.
她保持沉默并摇了摇头。
They were tight-lipped about the surprise announcement until the official release.
在官方发布之前，他们对这一意外公告守口如瓶。
