He is an alcoholic, and his life is very difficult.

From his point of view, the plan has a high chance of success.

We reached the summit of the mountain.

He spread out the chessboard and started the game.

He is the chief of this project.

He ended up in a state of confusion.

That disease could potentially have fatal consequences.

The touchscreen of this tablet is very responsive.

This input device is very easy to use.

Winter swimming in the dead of winter is a harsh sport that tests physical and mental strength.