rough-and-tumble

柯林斯詞典

1. N-UNCOUNT You can use rough-and-tumble to refer to a situation in which the people involved try hard to get what they want, and do not worry about upsetting or harming others, and you think this is acceptable and normal. 混戰(zhàn)[oft 'the' N 'of' n]
...the rough-and-tumble of political combat. ...政治斗爭(zhēng)的混戰(zhàn)。
2. N-UNCOUNT Rough-and-tumble is physical playing that involves noisy and slightly violent behaviour. 吵鬧
He enjoys rough-and-tumble play. 他喜歡吵鬧式的玩耍。