1. 波浪   shovel   wave   pail   lifejacket   Hint Half-n-half Clue   2. 游泳裤   swimming trunks   lifeguard   shovel   towel   Half-n-half Clue   3. 毛巾   lifeguard   lifejacket   swimming trunks   towel   Half-n-half Clue   4. 海   swimming trunks   swimsuit   sea   wave   Half-n-half Clue   5. 海鸥   wave   sea gull   sand castle   shore   Half-n-half Clue   6. 救生衣   surfboard   shovel   sea gull   lifejacket   Half-n-half Clue   7. 沙子   sand castle   wave   sand   swimming trunks   Half-n-half Clue