diligent adj. 勤奋的,用功的 Henry is the most diligent student in our class.
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。