The day was dawning when we set out.

我们出发破晓。

The birds,chirping relentlessly,woke us up at daybreak.

破晓鸟儿不断吱吱地叫,把我们吵醒了。

By this time it was daybreak.

这已破晓。

Day dawns in the east.

东破晓。

I returned at daylight.

我破晓返回的。