trip的过去式是什么

trip的过去式是：tripped

Shetrippedand went down with a bump .

她绊了一下，猛地跌倒在地上。

Shetrippedalong joyfully as if treading on air .

脚底下轻飘飘的。

He wastrippedinto saying he was to blame .

他不得不承认是他的过错。

He tripped the pickpocket up by the heels.

他用脚后跟把扒手绊倒。

He tripped on that difficult question.

他把那道难题答错了。