https://online2.tingclass.net/lesson/shi0529/0009/9907/570.mp3
https://image.tingclass.net/statics/js/2012
講解文本：
on thin ice 如履薄冰，處于危險狀態(tài)
I have to tell you that you are on thin ice in this company.
我必須告訴你，你現在在這個公司處境不妙。
I was really on thin ice during the speech.
演講中我感到如履薄冰。
瘋狂練習吧!
