什么是 rude?Relatively undeveloped; primitive: a rude and savage land; a rude agricultural implement. Being in a crude, rough, unfinished condition: a rude thatched hut. Exhibiting a marked lack of skill or precision in work: rude crafts. In a natural, raw state: bales of rude cotton. Lacking the graces and refinement of civilized life; uncouth.Lacking education or knowledge; unlearned.Ill-mannered; discourteous: rude behavior. Vigorous, robust, and sturdy.Abruptly and unpleasantly forceful: received a rude shock.