1. customs officer   kuai can   wan can   [kong;kong] [fu;fu] [yuan;yun;yun]   hai guan guan [yuan;yun;yun]   Hint Half-n-half Clue   2. aircraft   [hang;hang;heng;xing] li [che;ju]   mian bao dian xin dian   hang [kong;kong] qi   kai ken   Half-n-half Clue   3. meal   shan [shi;si]   can guan   dui huan [chu;chu]   dian ti   Half-n-half Clue   4. snack   can guan   [jia;jia;jie] ting   kuai can   guan [jia;jia;jie]   Half-n-half Clue   5. elevator   zao can   hang [kong;kong] qi   dian ti   [chen;cheng;cheng]   Half-n-half Clue   6. family   shan [shi;si]   [jia;jia;jie] ting   [hang;hang;heng;xing] li [che;ju]   [hang;hang;heng;xing] li jia   Half-n-half Clue   7. pilot   fei su [shi;si] zhu yi zhe   zi dong fu ti   fei [hang;hang;heng;xing] [yuan;yun;yun]   mian bao dian xin dian   Half-n-half Clue