on good authority

Things like this are always hard to prove, but we have it on good authority that beer was among the provisions Noah loaded onto the ark.

这种事情总是很难证明的，但我们有充分的根据相信，啤酒是诺亚带上方舟的必需品之一。

This is no mere hearsay, I have it on good authority that any dissenting opinions are brusquely pushed aside.

这不是道听途说，我可以为此提供可靠资料证明任何不同意见都被轻率地推到一边。

Unless he has it on good authority, it is not worth believing.

除非他这个消息有可靠的根据，否则是不足信的。

I have it on good authority that "underwear is being worn as outerwear this season" .

根据可靠消息：“这个季节内衣是被当作外衣穿的。”

We have it on good authority you do know.

我们是从高层打听来的你肯定知道

I have it on good authority that you are,

我有充分理由相信你管