公司下周要开一个很重要的会。

Gōngsī xiàzhōu yào kāi yí gè hěn zhòngyào de huì.

The company will hold a very important meeting next week.

如果下周不下雨，我们就去爬山。

Rúguǒ xiàzhōu bù xiàyǔ, wǒmen jiù qù páshān.

If it doesn't rain next week, we'll go hiking.

下周你有时间一起吃饭吗？

Xiàzhōu nǐ yǒu shíjiān yìqǐ chīfàn ma?

Do you have time to eat together next week?