卡罗琳5岁时在墙上乱涂乱画。When Caroline was five she scribbled on a wall.她现在还不会写字, 但她喜欢用铅笔乱涂.She can't write yet, but she loves to scribble with a pencil.不要在墙上乱涂.Don't scrawl on the wall....

“乱涂”的英语可以翻译为：daub，scrawl，scrabble ...