vi.

1. 跌倒；滾下；墜落
   Tom tumbled over and hit his head on the concrete.

   湯姆摔倒，頭撞到水泥地。

2. 被絆倒；被傾覆
   He tumbled over the cat.

   他被那隻貓絆倒了。

3. 打滾；輾轉；翻觔斗
   The sick child tumbled restlessly in his bed.

   生病的小孩在床上輾轉反側焦躁不安。

4. （房屋等）倒塌[（+down）]
   It only needed a push and the whole building would come tumbling down.

   只要稍稍一推，那整幢房子就會倒塌下來。

5. （物價等）暴跌
   Stock market prices tumbled after rumors of a rise in interest rates.

   謠傳利率上升之後，股票市場價格猛跌。

6. 匆匆忙忙地做；跌跌撞撞地走
   He tumbled downstairs.

   他跌跌撞撞下了樓梯。

7. 【英】【俚】突然明白[（+to）]
   It was a long time before she tumbled to what I meant.

   她用了很長時間才明白了我的意思。

8. 偶然發現
   Quite accidentally, the police tumbled on the answer to the mystery.

   警察出乎意外地找到了那疑案的答案。

vt.

1. 使跌倒；使滾下；使墜落
   He tumbled me over backwards.

   他把我向後摔倒。

2. 亂扔；弄亂[O]
   I could just see her face and her tumbled hair.

   我只能看見她的臉和蓬亂的頭髮。

   He tumbled his clothes and books into a big sack.

   他把他的衣服和書胡亂裝進一只大口袋。

3. 使暴跌；顛覆
4. 使翻滾；用烘乾機烘乾（衣服）
   You can tumble the clothes dry in a dryer.

   你可以用烘乾機將衣服烘乾。

n.[C]

1. 跌跤；墜落
   The tumble hurt him badly.

   這一跤把他摔得很疼。

2. 倒塌
3. （價格等的）暴跌
   Stock prices took a tumble in the afternoon.

   股票價格下午猛跌。

4. 倒臺，垮臺
5. 翻滾；翻觔斗
   The child is practicing a tumble.

   那孩子在練習翻筋斗。

6. 混亂
   His desk was a complete tumble of papers and books.

   他的書桌上亂糟糟地堆滿了報紙和書籍。

v.

1. fall suddenly, clumsily, or headlong.
   ▸perform acrobatic feats, typically handsprings and somersaults.
2. decrease rapidly in amount or value.
3. dry in a tumble dryer.
4. rumple; disarrange.
5. (tumble to) informal come to understand; realize:
   he's tumbled to the fact that he was deceived.
6. informal have sex with.
7. clean (castings, gemstones, etc.) in a tumbling barrel.

n.

1. an instance of tumbling.
2. an untidy or confused arrangement or state.
3. a handspring or other acrobatic feat.
4. US informal a friendly sign of recognition or interest.