The mule's back was hollowed by the weight of its burden.

骡子的背被所载重物压得弯了下去。

《柯林斯英汉双解大词典》

I always tried not to have my career be too much of a burden to my children, but looking back, I think that was a mistake.

我一直努力不使我的工作成为孩子们的负担，但是现在想起来，我觉得那是个错误。

youdao

Most patients I know grow to hate this ubiquitous, if heartfelt question because it puts the burden back on them.

大多数我认识的病人都越来越讨厌这句非常普遍的话，这个衷心的问题会使病人感到负担。

youdao

And we can help you buy something that will, you know, put the burden back on you.

NPR: Health Care Debate: Why So Much Yelling?

But this rescue package will deliver only a modest reduction in the back-achingly heavy burden of Greek indebtedness.

BBC: The price of Greek democracy

It was rumored that, like an ant, her back could bear the burden of something several times her body weight.

NPR: Excerpt: 'Then We Came to the End'