You mustn't laugh at others 改为被动句
网友回答
被动句Others mustn't be laughed at by you.
======以下答案可供参考======
供参考答案1:
others mustn't be laughed at by you.
供参考答案2:
原句改被动:others mustn't be laughed at by you.
语气稍微温和一些的:others aren't needed to be laughed at by you.
不是被动的另一种形式:No laughing at others.