娘の帰りが遅いので、何か間違いでもあったのではないかと心配した。
My daughter was late coming home, so I worried that something might have happened to her.
子供たちに間違いがないよう、先生が付き添った。
A teacher went along so that nothing would happen to the children.
旅先で間違いが起きないように、十分気をつけてください。
Please take great care so that you don't run into any trouble on your trip.