Her lack of attention to detail is her biggest shortcoming.不注意细节是她最大的缺点。Rudeness is a serious shortcoming.粗野无礼是个严重的缺点。The main/major shortcoming of this camera is that it uses up batteries quickly.这款相机的主要缺陷是太耗电了。Rudeness is his chief shortcoming.粗鲁是他主要的缺点。