pants：在美国，泛指各类裤子，在英国指衬裤或短裤；shorts：指短裤或裤衩，在美国主要指男用短衬裤。

①He wore brown corduroy pants and a white cotton shirt.他身着棕色灯芯绒裤子和白色棉衬衫。

②And in the 1970 s, Valentino created a hot pants outfit for TWA.到七十年代，瓦伦天奴又为环球航空公司设计了短裤式的服装。

①There was so much blood it had soaked through my boxer shorts.血流得太多，渗透了我的平脚短裤。

②Michael groaned and readjusted his shorts.迈克尔一边发着牢骚一边整了整自己的短裤。