none the wiser
成語所屬單字none
none the wiser — 慣用語
1. still not knowing about something after being given an explanation or informatio
1.慣用語
釋義
仍然不明白；還是不懂
still not knowing about something after being given an explanation or information
例句
Vivek read the instruction manual twice, but was still none the wiser about how to assemble the shelf.
Élise explained the maths problem step by step, yet her younger brother remained none the wiser.