He became neurasthenic due to long hours of work.

As a result of his car's sudden braking, a skid mark was left on the road.

My younger brother is good at aquatics.

I have been to Blagoveshchensk.

The Reverse Address Resolution Protocol is a protocol for obtaining host names from IP addresses.

There are a few problems.

This job is a little more difficult than I thought.

My friend lives in Komsomolsk-na-Amure.