To breathe fresh air by opening a window in Engpsh, it is commonly expressed as "open a window for fresh air" or simply "open a window." This phrase is commonly used in Engpsh speaking countries and does not have a specific origin.
Here are some examples of the phrase in context:
Example 1: "I'm feepng stuffy, let's open a window for fresh air."
Translation: "我觉得闷，我们打开窗户呼吸新鲜空气。"
Example 2: "The air inside the room is stagnant, let's open a window."
Translation: "房间里的空气停滞不动，让我们打开窗户。"