1. vertex   duan dian   wu [bian;bian] xing   [leng;leng;ling] jing   duo [jia;jiao;jue] xing   Hint Half-n-half Clue   2. hemisphere   [leng;leng;ling] jing   si fang xing   duan   ban qiu   Half-n-half Clue   3. quadrangle   tuo yuan   si [bian;bian] xing   si fang xing   jin zi [da;ta]   Half-n-half Clue   4. pentagon   jin zi [da;ta]   wu [bian;bian] xing   qi [bian;bian] xing   zhi xian   Half-n-half Clue   5. heptagon   si [bian;bian] xing   chui zhi xian   wu [bian;bian] xing   qi [bian;bian] xing   Half-n-half Clue   6. quadrilateral   [ao;wa] mian   guang [mang;wang]   si fang xing   jin zi [da;ta]   Half-n-half Clue   7. concave   zhi xian   ling xing   [bian;bian] yuan   [ao;wa] mian   Half-n-half Clue