1. 球、   sunrise   surfing   ball   swimming   Hint Half-n-half Clue   2. 水泳   dressing room   swimming   sunstroke   cap   Half-n-half Clue   3. 日射病   sunshine   swimming   sunstroke   hat   Half-n-half Clue   4. 傘   sunshine   dune   sunstroke   umbrella   Half-n-half Clue   5. 日没   suntan   suntan lotion   swimming   sunset   Half-n-half Clue   6. 日の出   swimming   sunbath   sunrise   sunshade   Half-n-half Clue   7. 砂丘   suntan lotion   sunset   dune   swimming   Half-n-half Clue