1. 经纪   broker   employee   banker   optician   Hint Half-n-half Clue   2. 律师   attorney   counsellor   businessman   bartender   Half-n-half Clue   3. 顾问   researcher   chef   basketball player   counsellor   Half-n-half Clue   4. 精神病医生   psychiatrist   bartender   banker   clerk   Half-n-half Clue   5. 程序员   steward   consultant   psychiatrist   programmer   Half-n-half Clue   6. 生物学家   banker   consultant   president   biologist   Half-n-half Clue   7. 公共汽车司机   steward   fireman   psychiatrist   bus driver   Half-n-half Clue