He is a studious and steadfast young man.

他是一个勤奋且踏实的小伙子。

Before writing a thesis, he conducted a studious investigation.

在写论文之前，他进行了审慎的调查。

His studious absence caused dissatisfaction with the party.

他的刻意缺席引起了活动方的不满。

I was a very quiet, studious little girl.

我那时是一个非常安静、用功的小女孩。

She is quiet and studious, in marked contrast to her sister.

她沉静勤奋，与她妹妹形成了鲜明的对照。

Billy: Wow! You sound very studious.

比利：哇，你似乎是个勤勉好学的人。

Studious that worship.

好学即敬神。

My sister is always a studious student.

我妹妹一直是一个勤奋的学生。