She was going through puberty and was confused by the changes in her body.

Now, let's get to the main subject.

They get along like siblings.

He showed a haughty attitude.

I can't stand his haughty attitude.

He served as a stand-in when the lead actor in the movie fell ill suddenly.

During the Ice Age, the climate of the Earth changed significantly.

He needed a pinch runner because of his injury.

He needed a pinch runner because he was injured.

He is a famous author, but in fact, he publishes works written by a ghostwriter.