He is spending his time idly.

He seems to be enjoying his idleness.

She was devastated by sadness and cried her eyes out all night.

He used every possible means to make the project successful.

He is devoting himself to his work.

I did my best for the exam.

I acted just as he said.

It would be nice if this plan proceeds as we wish.

He learned the basics of Japanese.

He hurriedly went through the preparations.