Zìcóng nà jiàn shì zhīhòu, tā bèi dàjiā shūyuǎn le.
After that incident, he was shunned by everyone.
Tips
usage
疏远 can be used transitively (疏远某人, to distance oneself from someone) or intransitively (关系疏远了, the relationship grew distant). It describes a gradual emotional or social distancing, not a sudden break.