hardworking

形容词 hardworking:

1. characterized by hard work and perseverance
   同义词：industrious, tireless, untiring

1. Mary is as hardworking as can be.
   玛丽在班上之用功不输任何人。
2. He is, so to speak, a hardworking student.
   他可说是个用功的学生。
3. Mary is, so to speak, a hardworking student.
   玛丽可说是个用功的学生。
4. It is natural that such a hardworking student should pass the exam.
   这么用功的学生考试及格是很自然的事。