1. 三文鱼   tuna   sardine   crab   salmon   Hint Half-n-half Clue   2. 鲨鱼   mackerel   clam   tuna   shark   Half-n-half Clue   3. 鲭鱼   crab   shark   mackerel   tuna   Half-n-half Clue   4. 金枪鱼   crab   trout   tuna   salmon   Half-n-half Clue   5. 鳕鱼   salmon   tuna   mackerel   cod   Half-n-half Clue   6. 沙丁鱼   tuna   fish   sardine   clam   Half-n-half Clue   7. 贝类   tuna   shellfish   crab   lobster   Half-n-half Clue