没日没夜
词典day and night:日日夜夜;白天黑夜;夜以继日地, 日夜;不舍昼夜。
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1. day and night:53,icebreaker 会圆场的人 | 54,day and night 没日没夜 | 55,a friend in need is a friend indeed患难见真情