This is the 8414th most frequent Chinese word.
open
The Chinese word for "open" (打开, dǎkāi) means to unlock, uncover, or make accessible.
Here, '打开' (open) refers to physically opening the window to allow air circulation.
请打开窗户，让新鲜空气进来。
Please open the window to let fresh air in.
In this sentence, '开放' (open) indicates openness in attitude or mindset towards ideas.
他的思想非常开放，总是接受新观点。
He has a very open mind and always accepts new ideas.
Here, '开放' (open) is used to describe accessibility or availability to the public.