He had stumbled down and torn the skin from his knees.

他絆倒在地，膝蓋上蹭破了皮。

He stumbled on the uneven ground and fell flat on his face.

他在不平的地上絆了一跤，摔了個嘴啃地。

The skater stumbled but at once recovered himself.

滑冰的人絆了一下,但立刻恢復了平衡.

He stumbled over [ against ] a stone.

他被一塊石頭 絆倒.

He stumbled blindly on through the dark building.

他摸索著跌跌撞撞地穿過漆黑的建筑物.

A man stumbled heavily against the side of the car.

一名男子腳下一絆，猛地撞在車身上。

She stumbled and fell, scraping her palms and knees.

她絆了一下摔倒了，手掌和膝蓋都蹭破了。

He stumbled over every sentence.

他講每句話都結結巴巴.

She stumbled on a stone.

她被一塊石頭絆了一腳.

The child stumbled and fell.

孩子絆了一下，摔倒了。