1. clerk   [gan;gan] shi   dian gong   sheng wu xue [jia;jia;jie]   chu na [yuan;yun;yun]   Hint Half-n-half Clue   2. optician   ya yi   yan jing shi   sheng wu xue [jia;jia;jie]   [la;lan] qiu yun dong [yuan;yun;yun]   Half-n-half Clue   3. fireman   jie [dai;dai] [yuan;yun;yun]   gong [zuo;zuo;zuo] zhe   sheng wu xue [jia;jia;jie]   xiao fang [yuan;yun;yun]   Half-n-half Clue   4. biologist   [da;da] zi [yuan;yun;yun]   sheng wu xue [jia;jia;jie]   guan [jia;jia;jie]   yi shi   Half-n-half Clue   5. economist   [da;da] zi [yuan;yun;yun]   kao gu xue [jia;jia;jie]   gu wen   [jing;jing] [ji;ji] xue [jia;jia;jie]   Half-n-half Clue   6. researcher   sheng wu xue [jia;jia;jie]   chu shi   [yan;yan] jiu [yuan;yun;yun]   ν: tui xiao [yuan;yun;yun]   Half-n-half Clue   7. receptionist   cheng xu [yuan;yun;yun]   zong tong   jie [dai;dai] [yuan;yun;yun]   dian gong   Half-n-half Clue