Meaning of ことじ in Japanese

We could all see it coming, couldn't we?

If someone remarked enviously: "They say that in Africa the sky is always blue," she was likely to reply absent-mindedly: "Yes, and won't it be nice to have a proper house after all these years."

It's not important.

That's not the reason why I said the job wasn't easy.

It's none of your business.

It's no crime to skip breakfast once in a while.

It isn't hard to do.

It's nothing impressive. It's just a bit part in that play.