1. 侍酒者   bartender   employee   taxi driver   economist   Hint Half-n-half Clue   2. 总统   typist   president   bus driver   psychiatrist   Half-n-half Clue   3. 店主   shopkeeper   businessman   broker   physician   Half-n-half Clue   4. 医师   physician   biologist   archaeologist   counsellor   Half-n-half Clue   5. 化学家，药剂师   receptionist   chemist, pharmacist   taxi driver   dentist   Half-n-half Clue   6. 管家   fireman   researcher   steward   broker   Half-n-half Clue   7. 程序员   football player, soccer player   programmer   employee   attorney   Half-n-half Clue