used to describe a person or thing in a way that is partly true but not completely or exactly

It came as something of a surprise. 这件事多少有些让人感到意外。

He has a reputation as something of a troublemaker. 在某种程度上，他是一个制造麻烦的人，这可是出了名的。

I have a biology question for you - I hear you're something of an expert. 我有个生物学问题要问你——我听说你像是这方面的专家。