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

我屁股痛，因为在长凳上坐得太久了。

《柯林斯英汉双解大词典》

The notoriously poor quality of some school toilet paper has long been the butt of many jokes, but the move angered parents.

虽然有些学校提供的卫生纸质量出了名的差，长期以来一直遭人耻笑，但要求学生自带手纸的做法还是让家长们很生气。

youdao

I've been waiting for this day for so long. I've worked my butt off in med school.

我等待这一天已经太久了。

youdao

Even media studies, long the butt of every joke about useless academic qualifications, has smartened up its act.

ECONOMIST: Education: Degrees of choice | The

New York's victory was a huge boon for the franchise, which had long been the butt of jokes after a dismal decade of basketball in the nation's largest market.

WSJ: Knicks Win Ugly to Capture Series

Charles Royce , for instance, was not long ago the butt of jokes, with his old-fashioned bow tie and his old-fashioned focus on solid companies with good track records (FORBES, Apr. 29).

FORBES: Bear Market Winners