"at the crack of dawn" in Chinese (Simplified)
黎明时分破晓时分
Definition
清晨，太阳刚刚升起的时候。
Usage Notes (Chinese (Simplified))
属于非正式用语，常用来强调某事发生得非常早。常和“起床”“出发”“到达”等动词一起用。
Examples
They woke up at the crack of dawn to catch the train.
他们**在黎明时分**起床赶火车。
The birds start singing at the crack of dawn.
鸟儿**在黎明时分**开始歌唱。
She goes jogging at the crack of dawn every day.
她每天**在黎明时分**去慢跑。
We left for the airport at the crack of dawn to avoid traffic.
我们**在破晓时分**出发去机场，为了避开堵车。
Farmers usually start working at the crack of dawn when it's cool outside.
农民通常**在黎明时分**开始干活，因为那时天气凉爽。
If you want to see the sunrise, you have to be there at the crack of dawn.
如果你想看日出，得**在黎明时分**就到那里。