(one's) exclusive use;  private use;  dedicated use;  use for a particular purpose;  exclusive use (of particular products);  using only (e.g. a certain brand)
 speciality;  specialty;  subject of study;  expert;  area of expertise
 absorption;  giving undivided attention;  devoting oneself (to)
 exclusive;  attached to;  specialist
 outside of one's area of expertise
 special occupation;  principal occupation;  specialty;  monopoly
 undivided attention;  concentration
 exclusive possession;  sole ownership;  monopoly
 specialized course;  specialised course;  something that is specialized for a certain field or application (e.g. a sauce specially made for zaru soba)
 working exclusively for;  working full-time (for)
 technical college;  higher schools and colleges
 acting arbitrarily;  arbitrary action
 arbitrary decision;  on one's own authority;  arbitrariness
 exclusively;  (taking) best care
 exclusively;  (taking) best care
 chubby chaser;  person attracted to overweight people
 attraction to ugly people
 deciding or acting on one's own
 male prostitute;  rent boy;  rentboy;  gay brothel
 male prostitute;  rent boy;  rentboy;  gay brothel
 person doing one job exclusively;  full-time worker;  full-time union official
 low-rise residential zone
 person who has a romantic preference for older men
 chubby chaser;  person attracted to overweight people
 attraction to ugly people
 person who has a romantic preference for older men
 medium and high-rise residential zone
 gaijin hunter;  person who only dates (non-Asian) foreigners
 monopoly;  exclusive right (to)
 full-time engineer;  full-time technician
 person physically attracted to thin people