be none the wiser/not be any the wisera) to not understand something even after it has been explained to you 〔解释后〕还是不明白,仍然不懂 Charlie explained how the system works, but I’m still none the wiser. 查利解释了系统是如何运作的,可我还是不明白。
b) used for saying that no one will find out about something bad that someone has done 谁也不会知道〔某人做的坏事〕 He could easily have taken the money and no one would have been any the wiser. 他本可以毫不费力地拿走这些钱,而且就算他拿了也不会有人知道。
→ be none the wiser/not be any the wiser at wise1(1)