不要小看别人的英文怎么说

"不要小看别人的英语"可以用英文表达为"Don't underestimate someone's Engpsh"。这句话的意思是"不要低估别人的英语水平"，即不要因为别人的英语口音或语法不完美就认为他们的英语能力很差。

例句：

Don't underestimate Mary's Engpsh. She may have an accent, but she's very fluent. (不要小看玛丽的英语。她可能有口音，但她的英语非常流利。)
You shouldn't underestimate your classmates' Engpsh. They may not be native speakers, but they've been studying the language for years. (你不应该小看你的同学的英语。他们可能不是英语母语人士，但他们已经学了英语好几年了。)