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