Focus on的例句：

I need to focus on studying for my upcoming exams.

The coach instructed the team to focus on their performance in the next game.

Some of the ventures focus on the Antarctic resources that are already up for grabs, like abundant sea life.

Blind的例句：

The soldier was blinded in the battle.

He is blind to the probable results of his behavior.

Not being focused on material goods feels quite natural to me.

希望这些例句对你有所帮助。