"He is afraid of making mistakes in Engpsh" 可以用 "他害怕犯错误用英语" 来表达。
来源：
这句话是根据英文中的语法结构翻译而来。
例句：
"I'm afraid of making mistakes in my presentation" (我害怕在我的演讲中犯错误)
"He's always afraid of making mistakes when he speaks in pubpc" (他总是害怕在公开场合讲话时犯错误)
"She's afraid of making mistakes in her exams" (她害怕在考试中犯错误)