我屁股痛，因为在长凳上坐得太久了。

My butt cheeks are sore from sitting on this bench too long.

《柯林斯英汉双解大词典》

我往后一跳，摔了个屁股墩。

I jumped back and fell on my ass.

《柯林斯英汉双解大词典》

我不赞成打屁股。

I don't agree with spanking.

《牛津词典》

烧饭、洗衣、跟在孩子屁股后头收拾东西—好像这就是我全部的活儿。

All I seem to do is cook, wash and pick up after the kids.

《牛津词典》

那就是我们的关系：我对她来说只是一个屁股。

That was our relationship: I was just a bum to her.

youdao

那就是我们的关系：我对她来说只是一个屁股。

That was our relationship: I was just a bum to her.

youdao