indecent

下流的；不礼貌的；不得体的英释中释adjsomething that is indecent is shocking and offensive, usually because it involves sex or shows parts of the body that are usually covered

1 indecent assault,[法]强暴猥亵罪

1 He was found guilty of possessing indecent photographs..他被判藏有淫秽照片罪。

2 You can’t go out in that dress – it’s positively indecent!.你不能穿那种衣服外出——太不雅观了！