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

초년병new recruit 초병guard; sentry 취사병soldier on cook’s duty 탈영병deserter; runaway soldier 통신병signal corpsman; signalman 파병sending troops; dispatching troops 패잔병remnant of the enemy; straggler 포병gunner; artillery; artilleryman 해병marine 해병대marine corps