全班都在努力用功准备考试。
The whole class is working hard preparing for the exams.
《牛津词典》
他正在拼命用功准备考试。
He is grinding away for an exam.
youdao
从初中到高中，每一位学生都必须很用功地来准备考试。
From junior high school to senior high school every student must study hard to prepare for the test.
他现在正在为准备考试而用功。
He's studying up now.
应用推荐
模块上移
模块下移
不移动