idiom
mad scientist
一个危险或愚蠢地创造性或痴迷于实验的人
Meaning
a person who is dangerously or foolishly creative or obsessed with experiments
Example
He looks like a **mad scientist** when he’s working in his lab all night.
当他整晚在实验室工作时,他看起来像个**疯狂的科学家**。