Useful Phrasal Verb

Definition: To become popular or to understand something.

Example: "The new trend is starting to catch on among teenagers."

Definition: To decide not to do something you previously agreed to.

Example: "He backed out of the deal at the last minute."

Definition: To keep something; not let go.

Example: "You should hold on to that rare coin; it could be valuable."

Definition: To begin to live a quieter, more stable life.

Example: "After years of traveling, he decided to settle down in a small town."