Military officials are still tight-lipped about when or whether their forces will launch a ground offensive.
军官们对于什么时候以及是否发动地面进攻依然守口如瓶。
He was sitting at the other end of the table, tight-lipped and angry.
他坐在桌子的另一头，双唇紧闭，满面怒容。
Strict confidentiality cocoa drink formula, the formula of chocolate UNSCOM also tight - lipped.
他们严格保密可可饮料的配方, 对巧克力特的配方也守口如瓶.
期刊摘选
He tight lipped when asked about Artest constantly yammering in his ear whenever they play.
他同样对阿泰在比赛中不断的抱怨咆哮不予理睬.
期刊摘选
If you have a bone to pick with someone in your workplace, you may try stay tight-lipped around them.
2020年考研真题（英语二）阅读理解 Section Ⅱ