work at sth. with great care

• 精雕细刻

work at sth. with great care的用法和样例：

例句

1. He worked at his essays with great care.
   他对自己的文章精雕细刻。
2. You have only to refine the work.
   现在形态和模样都有了，你需要做的是精雕细刻。