1. 火車   train   bicycle   airplane   boat   Hint Half-n-half Clue   2. 大型高級轎車   car   limousine   motorbike, motorcycle   train   Half-n-half Clue   3. 小船   airplane   boat   bus   helicopter   Half-n-half Clue   4. 汽車   car   ship   train   airplane   Half-n-half Clue   5. 公共汽車   train   bus   ship   airplane   Half-n-half Clue   6. 輪渡   bicycle   taxi, cab   van   ferry   Half-n-half Clue   7. 飛機   airplane   boat   helicopter   taxi, cab   Half-n-half Clue