If you want to study well, you must put in a lot of effort.

要想学习好，就得下功夫。

Study well and make progress every day.

好好学习，天天向上。

Responsible cadres at various levels must take the lead and study well.

各级负责干部要带头学好。

Study well is not an easy thing.

学习并不是件容易的事。

What I need to do now is study well.

我现在所需要做的只是好好学习。