It's difficult to understand this paradox.

I set the deadlines for each task by calculating backwards from the project's end date.

In order to finish the work needed by the project deadline, we counted backwards and made a plan.

They were prepared for the enemy's counterattack.

The river water is flowing back.

They launched a counterattack against the enemy.

In this river, the counter current is very strong, so caution is necessary.

His stories are always filled with highly refined humor, entertaining the listeners.

He has endured the pain of suffering for a long time.

He planned a revolt against the king.