Our information comes from a reliable source.

我们的消息来源可靠。

That's really the very reliable source.

那才真正是非常可靠的消息来源。

The news comes from a reliable source.

这消息来自可靠的来源。

I got this information from a reliable source.

我是从一个可靠来源得到这个消息的。

I learned this information from a reliable source.

我从一个可靠的渠道得知这个消息。