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Something that is completely useless or pointless, often referring to an effort or object that serves no purpose.
그 책은 무용지물이다.
That book is useless.
This idiom is often used to express frustration or disappointment with something that has no value or purpose.
This idiom is often used to express strong negative feelings about something that is seen as a waste of time or effort.
The term is composed of '무용' (useless) and '지물' (object), literally meaning 'an object without use'.
This idiom is commonly used in both formal and informal contexts to describe something that is completely useless or pointless.