不要在墙上乱涂乱画。

Don't scrawl all over the wall.

youdao

第二，我们一定不要在公共场所随地吐痰，不要在墙上乱涂乱画。

Second, we mustn't spit in the public places and mustn't draw pictures on the wall.

youdao

第二，我们一定不要在公共场所随地吐痰，不要在墙上乱涂乱画。

Second, we mustn't spit in the public places and mustn't draw pictures on the wall.

youdao