Definition: very late at night, until early morning, or almost all the time Level: C1
我们的邻居整晚都大声播放音乐。
Our neighbors play loud music ___at ___all ___hours of the night.
这导致全天各个时段都出现交通堵塞。
This causes traffic jams ___at ___all ___hours of the day.
这家便利店24小时营业，非常方便。
The convenience store is open ___at ___all ___hours, which is really helpful.
