我需要在网上查一下火车时刻表。

I need to ___look up the train schedule online.

生意开始好转了，我们终于能松一口气了。

The business is starting to ___look up, so we can finally breathe a sigh of relief.

我下周会去看看我的爷爷奶奶。

I'll ___look up to my grandparents next week.