4 sentences

1. 只管跟着我们就是了。

   zhǐ​guǎn gēn​zhe wǒ​men jiù shì le.

   Just follow us.

   Source: OpenSubtitles

2. 设计师只管设计。

   shè​jì​shī zhǐ​guǎn shè​jì.

   Designers simply design.

   Source: OpenSubtitles

3. 你只管做你的事，剩下的交给我。

   nǐ zhǐ​guǎn zuò nǐ de shì, shèng​xià de jiāo​gěi wǒ.

   Just focus on your work and leave the rest to me.

   Source: Dong Chinese Dictionary

4. 有什么问题你只管问，我一定如实回答。

   yǒu shén​me wèn​tí nǐ zhǐ​guǎn wèn, wǒ yī​dìng rú​shí huí​dá.

   Feel free to ask any questions you have; I will definitely answer them truthfully.

   Source: Dong Chinese Dictionary