https://online2.tingclass.net/lesson/shi0529/0009/9907/365.mp3
https://image.tingclass.net/statics/js/2012
講解文本：
cannot put one's finger on 搞不懂，毫無頭緒，一頭霧水
Mike cannot put his finger on his girlfriend’s emotions.
Mike完全搞不懂她女朋友的情緒。
I still cannot put my finger on who wrote me that card
我還是不能確定那張賀年卡是誰寄來的。
瘋狂練習吧!
