칠seven 칠십seventy 칠월July 북두칠성Big Dipper; Great Bear 칠면조turkey 칠순the seventieth year since one's birth 칠전팔기doggedness 칠석Chilseok

과거past 거래business; transaction; trade 거래처customer; client 제거removal 퇴거leaving; resignation 거두절미summary 거래량trading volume 거래소exchange; stock exchange 거래액monetary value of transaction; turnover 거세castration

타산지석learning from someone else's mistakes; lesson from someone else's failures 파죽지세irresistible force; crushing power 형제지간sibling relationship 호구지책means of livelihood; method of eking out 호연지기magnanimousness; gallantry; great spirit 감지덕지very thankfully 감지덕지very thankfully 격세지감being amazed at how much things have changed in a short time 견원지간cat-and-dog terms 결자해지one's untying a knot one has tied

악담curse; malediction; criticism 악몽nightmare; bad dream 악취odor; stink 악화aggravation; worsening 최악the worst 추악being dirty; being evil 패악wickedness; viciousness 포악cruelty; viciousness 필요악necessary evil 해악evils; ills; mischief; harm