The Vietnamese word "kín hơi" is an adjective that means "air-tight." It is used to describe something that is sealed well enough to prevent air from entering or escaping. This term can be applied to various objects, such as containers, bags, or rooms.
In advanced contexts, "kín hơi" can also refer to situations where something is kept secret or confidential, as in being "sealed off" from outside knowledge.
While "kín hơi" primarily means "air-tight," it can also imply that something is protected from external influences or that it is private and not accessible to others.
When using "kín hơi," it’s important to consider the context to ensure that the meaning is clear.