1. tu hu   musician   butcher   porter   engineer   Hint Half-n-half Clue   2. yi sheng   doctor   photographer   mechanic   engineer   Half-n-half Clue   3. cai [feng;feng]   farmer   scientist   tailor   artist   Half-n-half Clue   4. yan [yuan;yun;yun]   photographer   actor   doctor   accountant   Half-n-half Clue   5. ban yun gong   sailor   porter   scientist   tailor   Half-n-half Clue   6. ji gong   mechanic   scientist   actor   plumber   Half-n-half Clue   7. lao shi   nurse   porter   musician   teacher   Half-n-half Clue