But down this path may lie a hard and costly lesson.

In the end, the battle of the hotels and assorted conflicts provided valuable, if costly, lessons to all sides.

These were all costly lessons about teenage drivers, but in the end, they could be fixed with money and higher insurance rates.

For landlords and real estate agents, litigation can be a costly lesson in discrimination.

A costly lesson, with two Brentwood workers dead and more infected.

Minh had done his homework in a hurry, right, and it might be a costly lesson for the Executioner.

It was a temporary hesitation and a costly lesson.

They had also learned a costly lesson at the battle of Coral Sea, where a carrier exploded.

That day I learned a bitter and costly lesson.

C.I.A. has already paid a fearful price and learned costly lessons.