In my opinion, this plan has a high chance of success.

I'm tired and can't move my arms and legs as I want.

That unsolved problem keeps him awake at night.

That unsolved case keeps him awake at night.

The process of name resolution is very important in computer networks.

I didn't think he would come.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.

Everyone was surprised by the news.