2 sentences

1. 他在那个社交圈里被称作飘飘。

   tā zài nà gè shè​jiāo​quān lǐ bèi chēng​zuò piāo​piāo.

   He is known as 'Piaopiao' in that social circle.

   Source: Dong Chinese Dictionary

2. 他在社交圈中处于边缘地位，很少参与核心活动。

   tā zài shè​jiāo​quān zhōng chǔ​yú biān​yuán dì​wèi, hěn shǎo cān​yù hé​xīn huó​dòng.

   He occupies a marginal position in social circles and rarely participates in core activities.

   Source: Dong Chinese Dictionary