Hump day refers to the middle of a work week (Wednesday). The phrase is used in the context of climbing a proverbial hill to get through a tough week.

“驼峰日”指的是一周里最中间的那一天，也就是星期三。在描述难熬的一周时，可以用这个词。

Example:

After hump day, the weekend gets closer.

在熬过“驼峰日”之后，离周末也近了起来。