勤奋学习的英文：
learning with assiduity

参考例句：

The student drives away at his studies
这个学生勤奋学习。

Their students are diligent about their studies
他们的学生勤奋学习。

"If she diligently learned the skills of sales and marketing, her income would jump dramatically. "
如果她能勤奋学习掌握市场及销售方面的技能,她的收入就会显著增加。

learning是什么意思：
n. 学习；学问
v. learn的现在分词

Live to learn and learn to live
生而学之,学而生之

Learn not and know not
不学无术

There is no shortcut to learning.
学问无捷径。

learned industriousness
习得勤奋性

You have a gift for learning.
你有学习的天赋。

assiduity是什么意思：
n. 勤勉,刻苦,殷勤

He was as ever assiduous and gallant.
他象以往一样殷勤周到，曲意温存。

To rise with the crow of cocks—assiduity and early rising
鸡鸣而起

The book was the result of ten years' assiduous research.
那本书是十年苦心钻研的成果。

He runs around only with those who are assiduous in their studies.
他总是跟那些学习认真的同学在一起。

We were amused to see how assiduously the animal groomed its fur.
看着这只动物如此认真地梳理自己的毛，我们被逗乐了。