I have a specific plan in mind for the weekend.

I have difficulty in understanding this concept.

His comment was tongue in cheek.

I need to get in contact with my friend.

I like to do things in order.

In a bid to reduce pollution, the government implemented stricter emission regulations.

They walked down the street arm in arm.

I hung in there until the end of the marathon.

The park lies in the center of the city.

There is a promotion in prospect for me at work.