If you describe a person or their work as distinguished, you mean that they have been very successful in their career and have a good reputation.
illustrious
a distinguished academic family.
一个卓越的学术之家。
If you describe someone as distinguished, you mean that they look very noble and respectable.
His suit was immaculately cut and he looked very distinguished.
他的西服剪裁完美,人显得十分高贵。