MEME REFERENCE

I fear no man. But that thing..it scares me

Use when a person feels confident in most situations but is intimidated by an unexpected threat.

What it expresses: A person's usual confidence is undermined by a specific, unanticipated danger.
Example: The salesperson confidently handles client negotiations but freezes when the CEO enters the room.
When not to use it: Avoid when the threat is known or the person has already addressed the fear.