1.the principal activity in your life that you do to earn money;
he's not in my line of business
2.the control of a country by military forces of a foreign power
3.any activity that occupies a person's attention;
he missed the bell in his occupation with the computer game
4.the act of occupying or taking possession of a building;
occupation of a building without a certificate of occupancy is illegal
5.the period of time during which a place or position or nation is occupied;
during the German occupation of Paris
1.职业n. He lost his occupation last month. 2.占据v. The Japanese occupation of Taiwan lasted fifty-one years. 3.be in occupation of占有,居住,占领 be in the occupation of为~占有,为~居住,为~占领 The enermy was in occupation of my hometown. 4.by occupation职业上 He is a teacher by occupation. 注意:不能说His occupation is a teacher.