刻苦学习的英文：
grind away for

Laborious study or meditation.
刻苦的学习勤奋的学习或思考

My sister is diligent in studying English.
我妹妹刻苦学习英语。

grind for an exam
用功[刻苦学习]准备考试

His brother is assiduous in the study of relativity
他哥哥正刻苦学习相对论。

Not only a will-be expert must do effortful study, she must do it consistently for long, long period of time.
具有成为专家潜质的人不仅需要刻苦学习，她还必须将这个过程长一间地持续下去。

a mill for grinding grain into flour.
把谷物磨成粉的机器。

The mills of God grind slowly.
上帝之磨转得慢。

The corn grinds easily.
谷物容易磨成粉。

There is a toilet for the handicapped on the grind floor.
一层有残疾人专用洗用间。

To crush,grind,or tread noisily.
嘎吱嘎吱地压，嘎吱嘎吱地碾，嘎吱嘎吱地跺

to kick away; to spurn away
一脚踢开

to die away; to fade away; to vanish; to elapse; to wear away
消逝

She barked the boy away.
她把那男孩喝走了。

give away; make a present of
赠送

Collins frowned and looked away.
柯林斯皱了皱眉头，又往别处看去。