Idioms

To avoid attracting attention to yourself.

Try not to be noticed.

When people found out what Zoe had done, she kept a low profile for a while.

To manage to stop yourself from smiling or laughing.

I couldn't keep a straight face when that boy claimed to be the world's best guitarist.

to watch carefully for someone or somthing to appear

Keep an eye out for the waiter. If you see him, can you ask for the bill?

To make sure that someone always knows what is happening

While I'm away you can keep me posted on events by email.

to continue to know about something

Is it ten already? I'm so busy I can't keep track of the time.

to stay calm

Everyone else was shouting but somehow Nicole managed to keep her cool.

to hope that things will happen in the way that you want them to.

I'll keep my fingers crossed that you pass your driving test.

to do what you said you would

James promised to help me but he didn't keep his word.