급감rapid decrease; sharp fall; nosedive 급증rapid increase 급행열차express train 긴급emergency 긴급회의emergency meeting 응급실ER; emergency room 초특급being very speedy 특급special express 화급urgency; emergency 구급relief; rescue

해외여행overseas travel; trip abroad 행동action; movement behavior; deed 행사event; occasion; ceremony 비행기plane; airplane 신혼여행honeymoon 여행travel; trip 여행사travel agency 여행지travel destination 유행outbreak 은행bank

무료free; no charge; complimentary 요금fare; fee; charge 요리cooking 요리사cook; chef 음료drink; water; soda 음료수drinking water 재료material; ingredient 통행료toll; passage money 통화료telephone service charge; call charge 항공료airfare; flight fare