https://online2.tingclass.net/lesson/shi0529/0009/9907/644.mp3
https://image.tingclass.net/statics/js/2012
clueless 沒(méi)有線索的,一無(wú)所知的;(對(duì)某事)不懂的,無(wú)能的
I am clueless about what you like.
你喜歡什么我一無(wú)所知。
He's totally clueless about computers.
他對(duì)計(jì)算機(jī)一竅不通。