他考试前总是开夜车: he always works late into the night before examinations
深夜: late at night; in the small hours of the morning 短语和例子深夜勤读 study late at night; 工作到深夜 work late into the night; 谈到深夜 talk deep into the night; 在深夜 in the deep of night; 他一直学习到深夜。 he went o
