大卫是他们班最好的学生之一，他总是感觉很有自信。的翻译：David is one of the best students in their class, he always felt very confident. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

David is one of the best students of their class, he always felt very confident.

David is one of the best students in their class, he always felt very confident.

David is one of they class best students, he always felt has the self-confidence very much.

David is the best they have one of the students, he always felt very confident.

David is one of the best students in their class, he always felt very confident.