1. 自転車   boat   airplane   bicycle   ship   Hint Half-n-half Clue   2. 車   ship   airplane   car   train   Half-n-half Clue   3. 帆船   boat   bicycle   car   ship   Half-n-half Clue   4. 船   bicycle   train   ship   boat   Half-n-half Clue   5. 電車、汽車   airplane   ship   train   boat   Half-n-half Clue   6. 飛行機   car   bicycle   airplane   ship   Half-n-half Clue