Question

익숙하지 않으면 젓가락을 사용하지 않아도 돼요 -지 않- is the longer equivalent of the 안 negative; it can be used with adjectives and verbs. The meaning of -지 않- is similar to 'is not' or 'does not' in English.-지 않- can occur followed by tense modifiers, speech style endings, etc. The -지 part can appear followed by the -가, -는 or -를 particle controlling the emphasis.

Accepted Answer

You don't need to use chopsticks if you're not used to them

Front	익숙하지 않으면 젓가락을 사용하지 않아도 돼요
Back	You don't need to use chopsticks if you're not used to them
Notes	-지 않- is the longer equivalent of the 안 negative; it can be used with adjectives and verbs. The meaning of -지 않- is similar to 'is not' or 'does not' in English. -지 않- can occur followed by tense modifiers, speech style endings, etc. The -지 part can appear followed by the -가, -는 or -를 particle controlling the emphasis.

지 않 익숙하지 않으면 젓가락을 사용하지 않아도 돼요