To "turn the tables" means to reverse a situation to gain an advantage.

A "comfort zone" is where a person feels safe and secure.

To "have a lot on your plate" means that you are dealing with many responsibilities or problems at one time.

When you "hit your stride," you have become comfortable with doing something, and you are good at it.

Something that is a "red flag" is a problem or a concern, one that could lead to danger.

In spoken American English, to go "off the deep end" means to lose control of your emotions, usually anger or sadness.

If something is "right up your alley," it is something you are good at, and something you enjoy.

You say something is "music to your ears" when you hear good news, or just news that makes you happy.

To "go the extra mile" means to make a special effort at something.

When the ball is in your court, you can take action.

"To break the ice" means to start a conversation with someone you don't really know.

In English, switching gears means you have moved on to something else - a different job or a different subject.

To "sink your teeth into" means to become very involved and interested in something new.

"Dog-eat-dog" describes a situation where people will do anything to be successful.

If you say something "slipped your mind" you forgot about it.