我每天刷牙两次。

Wǒ měitiān shuāyá liǎng cì.

I brush my teeth twice per day.

你刷牙了吗？

Nǐ shuāyá le ma?

Have you brushed your teeth?

我一般早上八点才刷牙，刷完牙会洗澡。

Wǒ yìbān zǎoshang bā diǎn cái shuāyá, shuā wán yá huì xǐzǎo.

I usually don’t brush my teeth until 8 a.m., and after that I take a shower.