rough-and-tumble 
adj.
杂乱无章的, 混乱的
n.
混战, 扭打 (来源：英语美食指南 http://food.englishcn.com)

Function: adjective
 
Comparative and superlative forms: more rough-and-tumble; most rough-and-tumble
 
Meanings:
 
Note: Rough-and-tumble is always used before a noun.
 
1 : disorderly, loud, and rough
Examples:
<a rough-and-tumble group of soccer fans>
<a rough-and-tumble game>
 
2 : marked by competition and aggressive ways of winning, being the best, etc.
Examples:
<the rough-and-tumble world of politics> 混乱的政治
<He's a rough-and-tumble competitor.>
 
Derived form:
rough–and–tumble noun [noncount]
Note: Rough-and-tumble is often followed by of.
Examples:
<the rough-and-tumble of our neighborhood soccer games>
<She joined the rough-and-tumble of politics.>
 

(来源：英语论坛 http://bbs.englishcn.com)

tumble

跌倒, 摔跤, 翻斤斗

翻倒, 摔倒, 倒塌, 滚动, 翻筋斗, 仓惶地行动

(来源：英语麦当劳－英语快餐EnglishCN.com)

使摔倒, 使滚翻, 弄乱 (来源：英语交友 http://friends.englishcn.com)