What does keep someone in line mean?

The meaning of "keep someone in line" is:

(verb) keep someone from doing something bad

Example Sentences:

I have to keep my younger brother in line while my parents are on vacation.

I kept my son in line while he was a teenager, but now I can’t stop him from doing bad things anymore.

A: Are you going to be a strict parent?
B: Yeah, I’m planning on keeping my children in line, so they don’t do anything stupid.

keep someone in line

Most Popular Idioms Today!

Click here for more popular idioms