Zhēntàn shōují le dàliàng pángzhèng lái zhīchí tā de tuīduàn.
The detective collected a large amount of circumstantial evidence to support his deductions.
Tips
usage
旁证 (circumstantial/corroborating evidence) contrasts with 直接证据 (zhíjiē zhèngjù, direct evidence). In Chinese law, 旁证 alone is generally insufficient to reach a verdict.