1. 桶   shore   pail   swimsuit   sea   Hint Half-n-half Clue   2. 沙子   swimsuit   sea   shovel   sand   Half-n-half Clue   3. 海鷗   shell   towel   sea   sea gull   Half-n-half Clue   4. 游泳褲   swimming trunks   shore   swimsuit   towel   Half-n-half Clue   5. 泳裝   swimming trunks   surfboard   wave   swimsuit   Half-n-half Clue   6. 沙子城堡   pail   swim   sand castle   surfboard   Half-n-half Clue   7. 殼   shell   swim   shore   sea   Half-n-half Clue