The first half of the game was intense.

I told it to my mother first and foremost.

I got the information at first hand.

This technology is an industry-first in the field of robotics.

At first thought, the solution appeared straightforward, but further examination revealed unexpected challenges.

First off, I would like to thank everyone for their hard work this week.

The tickets will be sold on a first come first served basis.

He was promoted to private first class after completing his basic training.

We are on a first-name basis.

For the first time in a while , I slept for 8 hours straight and woke up feeling refreshed.