He is an expert in sociolinguistics.

I am very interested in sociolinguistics.

He got too caught up in the minutiae and lost sight of what was important.

He publicly acknowledged that he is a transsexual.

He loves snowboarding and goes to the mountains every weekend.

He picked up the smallsword and charged at the enemy.

He said he couldn't agree with the views of the revisionists.

I strafed the enemy's position.

The enemy plane carried out a strafing on our position.

He learned about the concept of Gemeinschaft in his sociology class.