A usually serious mistake typically caused by ignorance or confusion.
예문
1. blunder against each other (서로 부딪치며 휘청휘청 걸어가다) 2. blunder away one's chances (깜빡하여 좋은 기회를 놓치다) 3. blunder away one's fortune (잘못하여 재산을 잃다) 4. blunder out a secret (얼떨결에 비밀을 누설하다) 5. blunder about (어슬렁어슬렁 돌아다니다)
