active duty;  active service;  student taking (university) entrance exams while still enrolled in school;  student who passed their university entrance exams on the first try
 setting (someone) to work;  employment;  using;  causative (verb, etc.)
 military campaign;  battle;  war
 penal servitude;  serving time in prison;  military service;  forced labor;  compulsory service
 military service;  conscription
 slave labour;  slave labor;  compulsory service;  forced labour;  forced labor;  exacted service
 work;  labor;  labour;  toil
 service in the first reserve
 toil;  drudgery;  penal servitude;  imprisonment (with hard labour)
 handling cargo;  loading and unloading
 release from office;  military service, or prison
 distribution of assignments
 first Japanese invasion of Korea (1592-93)
 physical labor;  physical labour;  physical work;  forced labor imposed by the government (e.g. under the ritsuryo system)
 physical labor;  physical labour;  physical work;  forced labor imposed by the government (e.g. under the ritsuryo system)
 Keichō campaign (1597-98; incl. the second Japanese invasion of Korea in 1597)
 in prison;  in the military
 prison labor;  prison labour
 service in the second reserve;  military reserve force comprised of ex-servicemen
 labor system in which able-bodied men were required to work for periods in the capital (ritsuryo system)