study very hard

基本解释

I study very hard every day.
我每天都很用功唸書。
He keeps his grandson shut up, when he isn't riding or walking with his tutor, and makes him study very hard.
他把自己的孩子關在家裡，衹讓他跟著家庭教師騎馬散步，逼他用功讀書。
Those students study very hard.
那些學生學習非常努力。
360edu.com

Many parents push their children very hard to study these days.
現在很多父母都強迫自己的孩子努力學習。
學習靠自覺 - SpeakingMax英語口語達人

Gabby is someone who has obviously made a very careful study of what makes her happy, and worked hard to bring those elements into the forefront of her life, so I was curious to hear what she had to say on the subject of happiness.
FORBES: How Would I Behave If I Were Happy
Researchers at academic medical centers who study the disease say that so-called chronic Lyme, or post-Lyme, is very rare, hard to detect and not treatable with any further doses of antibiotics.
FORBES: Lyme Inc.