isolation, separation / segregation; quarantine of someone such as a sick person or of something such as a file infected with a virus

box off, shut out, isolate / quarantine

a job; an occupation; work / job, work (task) / (physics) work, change of energy

concentrate

concentration

to work

oneself / first-person pronoun: I, me (often shows the speaker's lower position in a hierarchy than the addressee) / (Kansai) you

room (of a house or hotel), chamber, apartment, flat / (sumo) a stable where rikishi live and train together under a shisho oyakata (stable master)

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend