The prince did not bother to explain how he knew this.

Why do I bother to explain things to this man?

It's the piece that everybody, so far, seems willing to write off without bothering to explain.

"Why do you bother to explain to me," she asked.

I didn't bother to explain, but gave it back to her with a little bow.

He did not bother to explain what that was to the new guy.

Lived with it so long I never bothered to explain.

He seems to have some sort of stomach trouble, though the film never bothers to explain.

I didn't bother to explain it wasn't Frost who had kept me up last night.

He was some sort of priest but would not bother to explain.