십이월December 이십twenty 이월February 일석이조killing two birds with one stone 신토불이belief that domestic farm products are the best 십이지장duodenum 유일무이being the one and only 이경second watch of the night 이등second; second class 이등병private; ordinary seaman; airman

중요importance 체중weight 체중계bathroom scale 비중weight; importance 신중caution; prudence; discretion 존중respect 중요성importance 치중focus; concentration 편중giving too much importance; being unequally distributed 하중weight; load