"Practice?" Bee repeats, thinking. "No, I don't think it was that. It felt like he was a lion on the prowl, waiting for something. I just happened to be that something."

Tarn had just sort of chased Bee. If he had really planning something, then his temper wouldn't have gotten the better of him. It's just the way that everything happened that has Bumblebee not convinced it hadn't been more than just chance.

"But be careful?"

Finishing that rather lamely there, Optimus.