1. 栗鼠   tortoise   squirrel   cat   pig   Hint Half-n-half Clue   2. 兎   alligator   donkey   elephant   rabbit   Half-n-half Clue   3. 狐   horse   snake   crocodile   fox   Half-n-half Clue   4. 鰐   crocodile   cow   tiger   deer   Half-n-half Clue   5. 鹿   camel   zebra   wolf   deer   Half-n-half Clue   6. 蛇   snake   sheep   dog   elephant   Half-n-half Clue   7. 虎   dog   sheep   tiger   camel   Half-n-half Clue