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The English We Speak from BBC Learning English.
This is the English we Speak.
I'm Fei Fei and.
Hello.
I'm Rob.
Rob, would you mind wiping those crumbs from your mouth?
Sorry.
Do you know, it's very strange.
I made a cake last night and brought it to work today to share with you.
Oh, that's very kind.
Yes, but it seems to have vanished into thin air.
Wow, you're a magician.
You've made a cake disappear.
No, Rob.
The phrase to vanish into thin air means to suddenly, mysteriously and completely disappear.
You haven't seen the cake, have you, Rob?
No, Fei Fei.
No sign of your disappearing cake.