1 [transitive, usually passive] reflect somebody/something (in something) to show the image of somebody/something on the surface of something such as a mirror, water or glassHis face was reflected in the mirror.She could see herself reflected in his eyes.
2 [transitive] reflect something to throw back light, heat, sound, etc. from a surfaceThe windows reflected the bright afternoon sunlight.When the sun's rays hit the earth, a lot of the heat is reflected back into space.This material absorbs the sound, and doesn't reflect it.
3 [transitive] reflect something to show or be a sign of the nature of something or of somebody's attitude or feelingOur newspaper aims to reflect the views of the local community.His music reflects his interest in African culture.
4 [intransitive, transitive] to think carefully and deeply about somethingBefore I decide, I need time to reflect.reflect on/upon something She was left to reflect on the implications of her decision.reflect that… On the way home he reflected that the interview had gone well.reflect how, what, etc… She reflected how different it could have been.+ speech ‘It could all have been so different,’ she reflected.Idioms
reflect well, badly, etc. on somebody/something
to make somebody/something appear to be good, bad, etc. to other people
This incident reflects badly on everyone involved.

rɪˈflekt
rɪˈflekt