1.You beat me.你難倒我了 2.That's a good question.I'll find out./Let's google it.是個(gè)好問(wèn)題，我會(huì)找到答案的/讓我們查查吧 3.I have the exact same question.我有同樣的問(wèn)題吔 4.I have no idea./Ihave no clue.我毫無(wú)頭緒 5.Dunno.不知道（非正式） 6.Who knows?誰(shuí)知道呢？ 7.Why don't we ask+大冤種's name？我們來(lái)問(wèn)問(wèn)xxx吧？ 8.Your guess is as good as mine.咱倆知道的差不多 9.How should I know?我哪知道？（非友好） 10.As far as I know,/As far as I'm concerned據(jù)我所知/就我而言