他考试不及格，这是因为他不够努力的翻译：He failed the exam, this is because he didn't work hard enough 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

He failed the exam because he is not hard

He failed the exam, this is because he didn't work hard enough

He takes a test does not pass an examination, this is because of him insufficiently diligently

He do not pass the examination, and this was because he had sufficient efforts

He failed the exam, this is because he didn't work hard enough