If you say you will take action, you have promised to do it with no excuses -- no ifs, ands or buts.

如果你说你将会采取行动，你就已经答应无条件这样做。

He is the best player – no ifs, ands, or buts about that.

【but】他是最好的球员——没有如果，没有反对，也没有但是。

Like, there's no ifs, ands or buts because other people are depending on you to be accountable.

就像，没有如果、和或但是， 因为其他人依靠你来负责。

Courteney says that they are going to save money, and there are no ifs, ands, or buts about it.

Courteney 说他们会省钱，而且没有如果、和或但是。

We've both seen the reports and I don't think there are any ifs, ands, or buts about it.

我们都看过这些报告，我认为没有任何关于它的如果、和或但是。

It can act as a coordinating conjunction, preposition, adverb, and sometimes even a noun – as in the expression No ifs ands or buts about it!

它可以充当并列连词、介词、副词，有时甚至是名词——就像短语No ifs ands or buts about it（没有任何理由跟借口）！