# at the crack of dawn ##### 词义 - #词性/adv 黎明时分：非常早的早晨，在天亮的时候。 ##### 例句 - These days they were up at the crack of dawn . - 这些天他们在破晓时就起床。 - At the crack of dawn, he would run up the slopes with his skis on, an unbelievably backbreaking activity. - 在黎明时分，他会穿着滑雪板跑上斜坡。做这样一项非常耗费体力的运动让人难以置信。 - Therooster in your backyard wakes you up every morning at the crack of dawn . - 每天黎明时分后院的公鸡会叫醒你。