牛角尖 niújiǎojiān pointless problem Origin Definitions Defs Strokes Stroke Words Sentences Sents 牛 niú noun ox ox; cow; bull; cattle; any of various bovine animals角 jiǎo noun horn horn of an animal; horn-shaped object; antenna or feeler of an insect尖 jiān noun point the sharp end of an object; tip; top or protruding part