We are putting a lot of effort into protecting intellectual property.

He was entirely engrossed in his work.

He was at a loss, unable to find a solution to the problem.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.

Everyone was surprised by the news.

The exam ended and the results were good, so I thought 'all's well that ends well'.

He likes to take a walk in the park at dusk.

He was penny wise and pound foolish, he bought a cheap smartphone but it broke immediately.