so be careful when gossiping about a co-worker, or you might be
seen as what you describe. and if you want to appear more
charming, perhaps you could add that word to your vocabulary
when talking about others. furthermore, maybe it would be a
good idea to keep your negative thoughts to yourself.

색칠된 부분의 정확한 의미를 모르겠어요

해석: 아마당신은 다른 사람들에게 말할 때 바로 그 단어를 당신의 어휘에 보탤 수 있을 것이다