1. bian fu   hippopotamus   whale   bat   bison   Hint Half-n-half Clue   2. dai shu   mare   whale   kangaroo   penguin   Half-n-half Clue   3. kao [la]   jackal   penguin   chimpanzee   koala   Half-n-half Clue   4. ye tu   bat   hare   chimpanzee   hippopotamus   Half-n-half Clue   5. bei mei ye niu   ox   hare   bison   hyena   Half-n-half Clue   6. bei ji xiong   porcupine   polar bear   hippopotamus   beaver   Half-n-half Clue   7. jing yu   hippopotamus   mare   chimpanzee   whale   Half-n-half Clue