守口如瓶的

Her tight-lipped friend had kept it a secret.

她那守的朋友对这事直保密。

Who will open himself to a blab?

谁个不肯守的人说心里话呢?

1。He is a clam about his clambake.

他对那次社交会的事情守。

The old hermit was very cagey about her past life.

老隐士对自己过去的生活守。