1 to fall down suddenly but without serious injury 突然摔倒、跌倒或倒下(但没受重伤):
He tripped and tumbled all the way down the steps.他绊了一跤,一直滚到台阶下面。
2 to fall suddenly in value or amount (价值或数量)骤降,急跌:
House prices have tumbled.房屋价格突然下跌了。
3 to move in a particular direction in an untidy way 胡乱朝某方向移动:
She opened her suitcase and all her things tumbled out of it.她一打开手提箱,所有的东西都掉了出来。
tumblenoun [C]
tumble down to fall down; to collapse 倒塌:
The walls of the old house were tumbling down.那幢旧房子的墙纷纷在倒塌。