凉快

We cooled down by swimming in the river.

我们在河里游泳，好快快。

It will be cooler when the sun has set.

太阳落山之快一点。

We could get some coolness here.

这快。

Thank heavens, it's cooled off a little.

谢天谢地, 天气总算快一点了。

After canicule, autumn will soon come, and it'll be much cooler.

过了伏，秋天就快到了，就快很多了。

Keep in the shade; it's cooler.

你就在阴处呆着吧, 较快。