On closer examination it was found that the signature was not genuine.

经过进一步认真检查发现签名是伪造的。

《牛津词典》

You can all pass the examination if you work still harder on English.

你们要通过考试，就必须余家勤奋地学习英语。

youdao

You can all pass the examination if you work still harder on English.

你们要通过考试，就必须余家勤奋地学习英语。

youdao