kùn-thûi棍錘

clever and experienced

clever and experienced; shrewd and sophisticated; wily old fox; crafty fellow; sophisticated person

English Wiktionary, “棍錘” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%A3%8D%E9%8C%98 · confidence: Medium (Wiktionary)