Will Reflect Badly on?

To stand as evidence of someone's or something's qualities or merits. The principal seems more concerned that the incident will reflect poorly on the school, as opposed to whether anyone was hurt.

What does it reflects poorly on you mean?

(this mistake) reflects poorly (on me): (this mistake) makes (me) look bad, damages (my) reputation.

Does reflect mean mirror?

Reflect is something that doesn't absorb or that mirrors back whatever is coming into it or looking at it. An example of reflect is when a mirror shows you your own image. An example of reflect is when sound bounces off the walls of a room.