我电话占线!

Storyline: Thomas was trying to get a hold of Sandy, but her line was always busy.

Sandy: Why didn't you call me yesterday?

Thomas: I tried to get a hold of you, but I couldn't get through.

Sandy: What time did you call?

Thomas: I tried all morning!

Sandy: Then I can't understand why you couldn't get through..

Thomas: I kept getting a busy signal.

Sandy: Hmmm...