“Blow off steam”

“Keep an eye on”

To watch or monitor carefully.

“Cry over spilled milk”

To be upset about something that cannot be changed.

“See eye to eye”

To agree completely.

“Don’t judge a book by its cover”

Don’t judge by appearance.

“Catch someone off guard”

To surprise someone unexpectedly.

“Blow your own trumpet”

To talk proudly about your own achievements.

“No pain, no gain”

You must work hard to achieve success.

“Cut corners”

To do something cheaply or badly to save time or money.