Have you signed up to our Learning English newsletter yet?
Get weekly updates about our latest programmes,
tips for learning and quizzes, or from our BBC Learning English presenters.
Follow the link in the notes for this episode to sign up.
Hello and welcome to The English We Speak,
where we explain expressions used by fluent English speakers so that you can use them too.
I'm Feifei and I thought Georgie was going to join me today.
Boo!
Oh, you were hiding under the desk.
Why did you do that?
We're supposed to be recording a programme.
Feifei, I love playing jokes on people.
You should never get too relaxed around here.
I'm just trying to keep you on your toes.
Keep me on my toes?
Well, shall we learn that expression then?
I think that's a good idea.
If you keep someone on their toes, it means you do something to make sure a person stays alert.
Think about it literally.
If you're standing or walking around on your toes,