HR department, personnel section

section, department / lesson

human affairs / personnel affairs/matters / human resources, HR

Alternative form of 他人事: other people's affairs; somebody else's problem

lessons / chapters of a book

lesson

department / section / division / class

to work at a job, to labour / to work properly, to operate, to function; to carry out one's function, to be effective, to come into play / to perpetrate or commit a crime

Alternative spelling of 只働き

Alternative spelling of 只働き