老脑筋 - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

See also: 老腦筋

For pronunciation and definitions of 老脑筋 – see 老腦筋 (“old way of thinking”). (This term is the simplified form of 老腦筋).

Notes: Simplified Chinese is mainly used in Mainland China, Malaysia, and Singapore. Traditional Chinese is mainly used in Hong Kong, Macau, and Taiwan.