1. pang xie   lobster   crab   sardine   cod   Hint Half-n-half Clue   2. yu   crab   clam   fish   sardine   Half-n-half Clue   3. [qing;zheng] yu   mackerel   tuna   clam   cod   Half-n-half Clue   4. sha yu   mackerel   shark   shellfish   shrimp   Half-n-half Clue   5. xue yu   sardine   cod   salmon   fish   Half-n-half Clue   6. [sha;sha] [ding;zheng] yu   sardine   fish   shellfish   shark   Half-n-half Clue   7. bei lei   cod   sardine   shellfish   fish   Half-n-half Clue