According to the Southern Metropolis Daily he described Xu as "a low-key sort of person who wouldn't provoke anyone."

南方都市报称徐来是个低调的人，不可能招惹上什么寻仇的人。

youdao

I am a quiet person, serious work, low-key person.

我是一个默默的人，认真的做事，低调的做人。

youdao

Everybody says he is a low-key person, because he never shows off or brags in front of others.

大家都说他是个低调的人，因为他从来不在别人面前炫耀或吹嘘。

youdao

Besides participating in conference calls with Mr. Freeman, people who know Mr. Barai say he had dinner with Mr. Longueuil in New York about every other month, sharing pasta and wine at a low-key Manhattan restaurant as they discussed tech-investment ideas and relationships, according to a person who knows them.

WSJ: They Were Best of Friends, Until the Feds Showed Up