never mind

Never mind the interruption; proceed with your story.

不理睬别人插话, 继续讲事。

But never mind that; it doesn't matter.

可别介意; 没有关系。

Never mind the washing-up—we haven’t got time.

别管洗盘子事情了，我们时间不够了。

Never mind the tortuous explanation; tell me in plain English, are you coming or not?

别拐弯抹角解释了, 直率告诉我, 来不来?

Never mind the expense!

不用担心费用！

Never mind the exact technical specification; just give us a free translation of what the machine can do.

别在意有精确技术说, 把那机器功用给我们意译一下就可以了。