![](http://13.124.221.224/wp-content/uploads/2020/10/不翼而飛.jpg)
Today’s topic: Chinese idiom “不翼而飛” (Disappear without a trace) and ”徒勞無功” (To make futile efforts)
The lesson is recommended for intermediate and upper-intermediate students!
We will appreciate any suggestions, so don’t forget to comment
此課程推薦給中高級程度的學生。
歡迎留言或告訴我你想知道什麼成語