Don't break your back creating a lesson, Morty.

别拼命堆砌什么教训，莫迪。

They don't (and shouldn't) expect you to break your back trying to catch up in one day.

他们不会（也不应该）期望您在一天之内赶上进度。

Like pulling a threshing-machine out of the mud; breaks your back.

就像从泥里拉出打谷机； 打破你的背部。

Why had you broken your back picking those hundreds of violets?

你为什么要采摘那数百株紫罗兰而伤透了脑筋？

At one time, your co-workers also went on vacation. They don't (and shouldn't) expect you to break your back trying to catch up in one day.

你的同事也会去度假，他们不会（也不应该）指望你在一天内就迎头赶上。

They say, 'Step on a crack and you'll break your back.' A shepherd A shepherd is a person who looks after sheep.

他们说：“踩到裂缝，你的背就会骨折。”牧羊人 牧羊人是照顾羊的人。

You've never been cold and ragged and had to break your back to keep from starving" ! He said quietly: " I was in the Confederate Army for eight months.

你也从来不曾挨过冻，穿过破旧衣裳，为了免于挨饿而不得不折断自己的脊梁骨！" 他用温和的语调说：" 不过，我是在联盟军部队里待过八个月的呀。