When to use opposition in Korean
Korean: 반대[ ban-dae ]

When to use it
"반대" means opposition, or being against something. You use it when you do not agree with an idea, plan, or action. It is common in everyday sentences like saying you oppose a rule, a choice, or a trip.
Example sentences
엄마는 늦은 외출에 반대해요.
Mom is against going out late.
선생님은 수업 중 휴대폰 사용에 반대해요.
The teacher is against using phones during class.
저는 길에 쓰레기를 버리는 것에 반대해요.
I am against throwing trash on the street.
언니는 그 비싼 가방을 사는 것에 반대했어요.
My older sister opposed buying that expensive bag.
아빠는 오늘 여행에 반대해요.
Dad is against traveling today.
친구가 내 생각에 반대했어요.
My friend opposed my idea.