He led the first lap of the race before retiring with mechanical difficulties.

They were scheduled for six hours ago, but mechanical difficulty has delayed them.

Unfortunately, the team had several major problems with reliability as the car experienced mechanical difficulties in almost every rally from its first.

However, because of mechanical difficulties, the elevator had only worked once since April.

I thought perhaps he had mechanical difficulties, or ran out of fuel.

She often tried to urinate standing up, despite the mechanical difficulties.

The computer replied, "This car is not experiencing any mechanical difficulty."

Apparently there had been some mechanical difficulty with Fafa's van.

"Was it a bomb on board or simply mechanical difficulties?"

Would her launching present some mechanical difficulty to be overcome?