不测之祸 bùcèzhīhuò unforeseen disaster Origin Definitions Defs Strokes Stroke Words Sentences Sents 不测 不測 bùcè unpredictable impossible to predict or measure; unfathomable之 zhī particle [possessive] Connects a describing word or phrase to the noun it describes, similar to 的 de but used in formal or literary writing.祸 禍 huò noun disaster misfortune; calamity; disaster; opposite of 福 fú