出其不意，攻其无备

Chinese

For pronunciation and definitions of 出其不意，攻其无备 – see 出其不意，攻其無備. (This term is the simplified form of 出其不意，攻其無備).

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