本日の英語フレーズ　 Today’s English Phrase

Meaning: to let a secret out in the open. To allow something that is hidden to be revealed.

Example:
1. The Mason's let the cat out of the bag at the end minute. Until then nobody at the party knew about the performance by such a famous film star in a regular party.
2. I have let the cat out of the bag, there is no point pretending that this job is working out for me.