Translation of "Bend" in Chinese

I can't bend my right arm.

我無法彎曲我的右手臂。

He has back pain, he can't bend over.

他背疼，不能弯腰。

Einstein predicted that the Sun's gravity would bend light.

爱因斯坦预测太阳的引力会弯曲光线。

As long as you don’t bend over, no one can ever get on your back.

只要你不弯下腰，就没人能骑到你的背上。

It's the answer that led those who've been told for so long, by so many, to be cynical and fearful and doubtful about what we can achieve, to put their hands on the arc of history and bend it once more toward the hope of a better day.

- 就是這個答案，讓那些長久以來被灌輸要嘲諷、害怕和懷疑自身能力的人們 把他們的手放在歷史的弧線上，將它彎向一個更美好的一天的希望。
- 在如此漫长的时期内，曾经有如此众多的人们对我们说：对于我们的成功，我们应该淡漠，应该害怕，应该不相信。但是，历史之轮如今已在我们手中，历史之轮将又一次在我们手中驶向美好未来。