Reflect well, badly, etc. on somebody/something
Definition 1 of 1
Pro Tip 1/3Positive Impact
Shows praise for a person's actions, highlighting their beneficial effect on something or someone. 
Her innovative ideas reflect well on the research team.
Pro Tip 2/3Negative Impression
Indicates criticism or fault in someone's actions, revealing a damaging impact on their reputation or entity connected to them. 
The scandal reflects poorly on the entire administration.
Pro Tip 3/3Responsibility Link
Used to show that the actions of an individual have a direct connection to the group or organization they are part of. 
His diligence reflects well on his upbringing.