他裤子的膝部有破洞。

There were holes in the knees of his trousers.

《牛津词典》

本把他裤子上的一个皱褶刷平了。

Ben brushed smooth a wrinkle in his trousers.

《柯林斯英汉双解大词典》

吉姆站起来，掸了掸他裤子膝盖了的灰尘。

Jim stood up and dusted the kness of trousers.

youdao

He tore off his shirt and unbuckled his belt and ran out of his trousers.

他脱掉了衬衫，解开了腰带，脱掉了裤子。

耶鲁公开课 - 1945年后的美国小说课程节选

And so, when the show started he was in the bathroom, on the pot with the door open, and then he got up, and he hiked up his pants, and he waltzed out and he gave his reading of Howl.

就是说，当演出开始时他在卫生间里，在马桶上，开着门，然后他起来，接着他提起裤子，轻快地走出来,朗读了《嚎叫》

耶鲁公开课 - 1945年后的美国小说课程节选