1. 泳装   swimsuit   sand   swim   sea   Hint Half-n-half Clue   2. 游泳裤   swimming trunks   shore   lifeguard   sand castle   Half-n-half Clue   3. 毛巾   towel   swimming trunks   swimsuit   sea gull   Half-n-half Clue   4. 沙子   sand   wave   shell   surfboard   Half-n-half Clue   5. 壳   shell   sand castle   sea gull   wave   Half-n-half Clue   6. 波浪   towel   shore   wave   surfboard   Half-n-half Clue   7. 游泳   shovel   swim   sea   sea gull   Half-n-half Clue