단어 네트워크: 効かない

Being effective or producing the desired result; having legal force or validity.

Medical treatment or therapy provided to a patient to cure a disease, heal an injury, or manage a health condition. It is a broad term encompassing everything from dental work and medication to surgery and physical therapy.

The result or impact produced by an action, treatment, or cause. It is used to describe how well something works or the specific outcome achieved through effort or influence.

Invalid; not legally or officially acceptable.