除非 Traditional form: 除非 Pinyin (reading): chúfēi Definitions: only if (..., or otherwise, ...) only when only in the case that unless Characters: 除 - to eliminate, to remove, to wipe out 非 - not, negative, non-; to oppose Traditional characters: 除 - to eliminate, to remove, to wipe out 非 - not, negative, non-; to oppose