他说你要自信用英文怎么说

他说你要自信的英文表达是 "He says you should have confidence."

来源："confidence" 这个单词来自拉丁文 "confidentia"，意思是信任、信心或信念。

一些英文例句及其中文翻译：

"It's important to have confidence in yourself." (自信很重要。)
"He exudes confidence in everything he does." (他在任何事情中都散发出自信。)
"She gained confidence through hard work and practice." (她通过努力工作和练习获得了自信。)