亨利是我们班上最用功的学生。
He is diligent in his work.
他工作很勤奋。
efficient adj. 有效率的
She is an efficient secretary.
她是个有效率的秘书。
The way you work is far from efficient.
你这样工作太没有效率了。
interesting adj. 有趣的
I have something interesting to tell you.
我要告诉你一些有趣的事。
Students found his lecture interesting.
学生们觉得他的演讲很有趣。