1. can guan   window   vegetarian   dinner service   restaurant   Hint Half-n-half Clue   2. [hang;hang;heng;xing] li [che;ju]   dinner service   luggage van   meal   breakfast   Half-n-half Clue   3. guan [jia;jia;jie]   steward   breakfast   money exchange   meal   Half-n-half Clue   4. wan can   customs officer   dinner   currency   family   Half-n-half Clue   5. su [shi;si] zhu yi zhe   vegetarian   breakfast   weigh   family   Half-n-half Clue   6. wu can   luggage van   breakfast   non-vegetarian   lunch   Half-n-half Clue   7. ke cang   window   cabin   aircraft   dinner   Half-n-half Clue