고민worry; anguish 고생trouble; hardship 고통pain 학수고대looking forward to; waiting eagerly for 각고hard work; difficult labor; backbreaking work 고갈extreme thirst 고난hardship; trouble; suffering; difficulty; adversity; trial; ordeal 고뇌anguish; agony 고대eager waiting 고락sorrows and joys

근육muscle 근육질muscularity 근육통muscular pain 육수meat stock; grave 육체body 육체적being physical 육체적physical 정육점meat shop; butcher shop 혈육flesh and blood 고육지책desperate measure; desperate plan

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

계산calculation 시계clock 체온계thermometer 체중계bathroom scale 초시계stopwatch 탁상시계table clock 통계estimation 합계total; sum total 회계사accountant; CPA 가족계획family planning