bû-gî無疑

to be undoubted

to be undoubted; to be beyond doubt; definitely; certainly; surely; unexpectedly

English Wiktionary, “無疑” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%84%A1%E7%96%91 · confidence: Medium (Wiktionary, Hokkien)