Everyone was surprised by the news.

He went off in a frenzy out of anger.

He went into a frenzy and began to destroy the room.

He outsmarted his competitors by using a contrarian business strategy.

He succeeded in business by going against the grain.

The river water is flowing in the reverse direction.

The river water is flowing in the opposite direction.

This problem has a paradoxical answer.

He began to strike back against the enemy.

He was prepared for the enemy's counterattack.