1. 鲸鱼   beaver   koala   ass   whale   Hint Half-n-half Clue   2. 鬣狗   shark   bulldog   hyena   ass   Half-n-half Clue   3. 犀牛   gorilla   rhinoceros   antelope   porcupine   Half-n-half Clue   4. 海豚   shark   mare   dolphin   ass   Half-n-half Clue   5. 水獭   otter   beaver   panther   ass   Half-n-half Clue   6. 猬   lioness   reindeer   hedgehog   seal   Half-n-half Clue   7. 考拉   otter   koala   stag   cheetah   Half-n-half Clue