The power of this engine is very high.

Let's take a break after finishing a task.

He is working on a new project at the workbench.

I have been to France once.

He finished all his work all at once.

How is the longitude of the Earth determined?

He swore never to repeat that mistake twice.

He goes to the gym twice a day.

The certainty of success for this project is very high.

The fidelity of this television is very high.