1. 自行車   train   car   bicycle   ship   Hint Half-n-half Clue   2. 汽車   car   motorbike, motorcycle   train   airplane   Half-n-half Clue   3. 出租汽車，小室   ferry   train   taxi, cab   van   Half-n-half Clue   4. 船   ship   bicycle   airplane   ferry   Half-n-half Clue   5. 小船   bicycle   train   boat   ferry   Half-n-half Clue   6. 公共汽車   bicycle   van   motorbike, motorcycle   bus   Half-n-half Clue   7. 火車   car   motorbike, motorcycle   train   truck, lorry   Half-n-half Clue