你光笑是治不好牙痛的。

You can't just laugh a toothache away.

youdao

但你也许还想去拍张X光片，为保险起见。

You might still want to go for an X-ray, however, just to be on the safe side.

《柯林斯英汉双解大词典》

你的双臂和双腿需要保护，免受玻璃反射光的照射。

Your arms and legs need protection from light bouncing off glass.

《柯林斯英汉双解大词典》

Here's Samson: O first created Beam, and thou great Word, ; "Let there be light, and light was over all"; Why am I thus bereav'd thy prime decree?

参孙说到：,为什么我被剥夺你这第一道命令，“我们要有光！“光就普照一切;,为什么我被剥夺你这第一道命令？

耶鲁公开课 - 弥尔顿课程节选

I'm sure there's some upper limit as there are to most things, like if we think of wavelengths and different types of light, there is so large that you can get, but you would be approaching that level.

我确信对于大多数事物,都会有一个上限，就像我们考虑波长和不同的光时，那个太大了，但是你可以接近那个量级。

麻省理工公开课 - 化学原理课程节选

It's a very funny poem, and you've got triplet rhymes there to make sure you know that Frost is joking, and it feels like light verse.

这是首有趣的诗，你会得到三连音的押韵,让你确实觉得弗罗斯特在开玩笑，这就像光的韵律一样。

耶鲁公开课 - 现代诗歌课程节选