choan-koàn專慣

to be good at something

to be good at something; to be expert in; to be skilled in; to be accustomed to; to be in the habit of

English Wiktionary, “專慣” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%B0%88%E6%85%A3 · confidence: Medium (Wiktionary)