守口如瓶的

Her tight-lipped friend had kept it a secret.

她那口如瓶的朋友对这一直保密。

Who will open himself to a blab?

谁愿向一口如瓶的人说心里话呢?

The old hermit was very cagey about her past life.

老隐士对自己去的生活口如瓶。

1。He is a clam about his clambake.

他对那次社交集会的口如瓶。