I would only be allowed to drink water every second day.

第二天，我们只被允许喝水。

Chinese folklore says that every second day of the second lunar month is the time when the dragon in charge of the rain lifts its head.

在中国，龙抬头是个吉祥的日子，俗话说“龙不抬头，天不下雨”，龙是祥瑞之物，又是和风化雨的主宰。