猛不防 měngbùfáng unexpectedly Origin Definitions Defs Strokes Stroke Words Sentences Sents 猛 měng adverb suddenly abruptly; all of a sudden; appearing quickly and unexpectedly不防 bùfáng unexpectedly To happen unexpectedly; to not have expected that something would happen; same as 不料 bùliào or 没想到 méixiǎngdào