tsuan-tuǎn專斷

to make an arbitrary decision

to make an arbitrary decision; to act arbitrarily; peremptory; overbearing

English Wiktionary, “專斷” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%B0%88%E6%96%B7 · confidence: Medium (Wiktionary, Hokkien)