3 sentences

1. 我建议你等一会儿。

   wǒ jiàn​yì nǐ děng​yī​huì​r.

   I suggest you wait a while.

   Source: CCMatrix

2. 我请她等一会儿。

   wǒ qǐng tā děng​yī​huì​r.

   I asked her to wait a moment.

   Source: Tatoeba

3. 我要等一会儿。

   wǒ yào děng​yī​huì​r.

   I have to wait a while.

   Source: OpenSubtitles