1. 救生員   lifeguard   shore   towel   surfboard   Hint Half-n-half Clue   2. 救生衣   swimming trunks   sand castle   surfboard   lifejacket   Half-n-half Clue   3. 波浪   swim   sea   wave   lifeguard   Half-n-half Clue   4. 沙子城堡   sand castle   sea gull   lifeguard   surfboard   Half-n-half Clue   5. 毛巾   swim   sea gull   towel   shovel   Half-n-half Clue   6. 桶   shore   shell   pail   sea gull   Half-n-half Clue   7. 游泳   sand castle   wave   swim   pail   Half-n-half Clue