我一会儿要去看医生。

Wǒ yíhuìr yào qù kàn yīshēng.

In a little while I'm going to see a doctor.

请你稍等一会儿。

Qǐng nǐ shāo děng yíhuìr.

Please wait a little while.

那等一会儿我叫她打电话给你。

Nà děng yíhuìr wǒ jiào tā dǎ diànhuà gěi nǐ.

Then wait a little bit and I'll have her give you a call.