“乱写”的英语可以翻译为：scrabble，scratch，scribble ...

那些男孩在栅栏上乱写乱涂.Those boys have scribbled on the fence.至于书法, 我们不鼓励他们过早地乱写.As to writing, we do not encourage them to scrawl too early.法律方面也应该有人管管, 不要老让人随便乱写.The legal aspects should also someone tube, don't let people ...