1. letter box   ju ben   [cai;cai] fang   you fei   xin xiang   Hint Half-n-half Clue   2. postman, mailman   qu dao   you [cha;cha;chai;ci] ，you di [yuan;yun;yun]   xin wen   dian hua ting   Half-n-half Clue   3. personal computer   you piao   [ge;ge] ren ji suan ji   [mo;wu] xian dian [an;guang] bo   xin wen   Half-n-half Clue   4. mobile   you [cha;cha;chai;ci] ，you di [yuan;yun;yun]   gang wei [he;he;hu;huo;huo] dian bao ju   liu dong   you fei   Half-n-half Clue   5. calculator   gong yong dian hua   dian bao   xin wen ban   ji suan qi   Half-n-half Clue   6. channel   xin wen ban   dian shi bo song   dian zi you jian   qu dao   Half-n-half Clue   7. express registered   ji suan qi   gong yong dian hua   biao da deng ji   dian shi bo song   Half-n-half Clue