hidden in plain sight
明明就在眼前却未被察觉或注意到
口语·描述被忽视的明显事物
英文释义
something that is very obvious or easily seen, but goes unnoticed or overlooked
例句
The missing key was hidden in plain sight on the desk all along.
典故来源
源自侦探文学概念，强调最明显的事物往往最容易被忽略，如爱伦·坡作品。