Idioms 공유 (3-2) by 류하원 https://padlet.com/hwnryu/kzdassfuyqb8p726 Idioms, meanings, and origin en-us 2023-05-10 23:42:43 UTC 2025-11-07 18:22:26 UTC hello@padlet.com 30230 류하원 hwnryu https://padlet.com/hwnryu/kzdassfuyqb8p726/wish/2586187616 1. Idiom: "It's not rocket science"

2. Meaning: It means "It's not complicated".

3. Origin: This idiom originated from how hard studying rocket science is and how, compared to that, whatever you are talking about is much easier.]]> 2023-05-10 23:48:33 UTC https://padlet.com/hwnryu/kzdassfuyqb8p726/wish/2586187616