verb🔗Share강화하다, 튼튼하게 하다To make tough."The harsh winter winds toughened my skin. "혹독한 겨울 바람이 내 피부를 튼튼하게 만들었다.conditionqualityChat with AIVocabulary GamePractice Reading
verb🔗Share강화되다, 튼튼해지다To become tough."Spending a year working on the farm toughened him up. "농장에서 1년을 일한 것은 그를 튼튼하게 만들었다.conditionabilityChat with AIVocabulary GamePractice Reading
