若遭此不幸，老了或者只能通过拐杖支撑，为了安全在洗澡间按上扶手，或者摔倒时等着子孙们来扶。

Maybe you get a cane, install bars in your shower or call your grandchildren to for help you when you've fallen and can't get up.

youdao

在更换电源之前，我们必须从望远镜上取下一个用四个螺丝固定的扶手。

Before we could replace the power supply, we would have to remove from the telescope a handrail fixed with four screws.

youdao

他正坐在床边一把有靠背无扶手的椅子上阅读。

He was sitting on an upright chair beside his bed, reading.

《柯林斯英汉双解大词典》