'Tā zìjǐ' literally combines 'tā' (she/her), 'zì' (self), and 'jǐ' (oneself), forming an emphatic reflexive pronoun meaning 'herself'. Unlike English, Chinese doesn’t change verb forms for reflexivity — instead, it adds 'zìjǐ' after the pronoun to indicate that the subject is both the doer and the receiver of the action. It emphasizes autonomy, agency, or contrast with others: e.g., 'She did it herself' stresses independence, while 'She hurt herself' marks the reflexive object.

This phrase is used only with third-person singular feminine subjects. It cannot be used for masculine or neutral referents (those require 'tā zìjǐ' with context or clarification, or more commonly 'tā zìjǐ' remains ambiguous unless gender is clear from context). It’s common in spoken and written Mandarin across registers, but never shortened — 'zìjǐ' alone means 'oneself' and lacks gender specification.