kám-sī敢是

isn’t it so?

isn’t it so? (used as a tag question); I'm afraid so; unfortunately; probably; regretfully; fearfully; supposedly; perhaps; maybe

English Wiktionary, “敢是” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%95%A2%E6%98%AF · confidence: Medium (Wiktionary)