I'm not busy.
He is too busy dreaming dreams to plan what he will do in his old age.
Much as I'd like to come, I'm afraid I'll be too busy.
Stop pestering me, I'm busy.
The other day I ran out of gas in the middle of a busy Interstate.
Although our universe is still young, theorists are busy exploring its ultimate fate.
He never takes into account the fact that I am very busy.
He is a busy man, so you can only get in touch with him by telephone.
I don't think she could spare the time because she is always busy with her work.
There are many people in the world who complain that they are too busy to read.
This restaurant is so large that they are always busy waiting on guests.
Being too busy with work is a problem, but then so is having too much free time.
Everyone seemed to be very busy and everyone seemed to be in a hurry.
Roll up your sleeves and get busy.
Why don't you go fishing with us this weekend if you aren't busy?