Feel free to ask questions if you don't understand.

你要是不懂，可以随便提问。

《牛津词典》

If you have any questions at all, please feel free to ask me.

如果你有什么问题，请随意问我好了。

《柯林斯英汉双解大词典》

If you haven't, feel free to ask me next time we get a drink together.

要是还没有，等下次我们一起喝一杯时，我可以讲给你听。

youdao

They feel free to ask their managers and peers for candid opinions so they can improve their work.

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Feel free to ask any bedbug related questions and when i get around to it i will answer as many as i can.

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If you have any questions, please feel free to ask us.

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