만만치

In a sentence

• 그 일은 만만치 않아 보여요.

  That task doesn't seem easy.

  '만만치' is used here as part of the phrase '만만치 않아' to describe something that is not simple or easy.

• 그의 능력은 만만치 않음을 모두 인정했어요.

  Everyone acknowledged that his ability is quite substantial.

  '만만치' indicates something considerable or significant.

• 만만치 않게 어렵던 문제를 해결했습니다.

  We solved the problem that was quite challenging.

  '만만치' emphasizes the challenge or difficulty of something.