improperKK [ˏɪmˋprɑpɚ] /ˌɪmˈpɹɑpɚ/发音形容词1不适当的、不合宜的、不恰当的It would be improper to discuss the case before the trial ends.在审判结束前讨论这个案子并不恰当。2不正当的、违规的He was fired for improper use of company funds.他因不当使用公司资金而被解雇。3不正经的、下流的She reported her supervisor for making improper remarks.她检举主管说了不正经的话。4不合规格的、不适用的Improper storage can make the medicine lose its effect.储存方式不当会使这种药失去效果。5假的数学Convert the mixed number into an improper fraction first.先把带分数换成假分数。用这个字练口说→