由于认识到考试可能会不及格，所以他努力学习。

Realizing that he may fail the exams, he works hard.

youdao

上周他考试不及格，所以他下定决心今后更加努力地学习。

Last week he didn't pass the exam, so he made up his mind to study harder in future.

youdao

他考试前没做任何准备，所以不及格。

He didn't do any preparation for this exam, so he failed.

youdao

他学习不够努力，所以考试不及格。

He didnt work hard enough and he failed the examination.

youdao

他学习不够努力，所以考试不及格。

He didnt work hard enough and he failed the examination.

youdao