study up
用功准备考试 grind for an exam
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》
他接受我的劝告，用功准备大考。
He took my advice and studied for the big test.
youdao
他正在拼命用功准备考试。
He is grinding away for an exam.
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