line of work

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the principal activity in your life that you do to earn money (Freq. 1)
- he's not in my line of business
• Syn:
occupation, business, job, line
• Derivationally related forms:
occupy (for: occupation)
• Hypernyms:
activity
• Hyponyms:
confectionery, sport, farming, land, game,
biz, career, calling, vocation, employment, work,
appointment, position, post, berth, office, spot,
billet, place, situation, treadmill, salt mine, trade,
craft, profession, metier, medium, accountancy, accounting,
photography, catering