It's important to believe in yourself.

By conducting self-analysis, you can understand your own strengths and weaknesses.

It's difficult to understand his explanation.

My strong points are problem-solving ability and communication skills.

I am the only one who knows his weakness.

This festival is held every year.

He has confidence in his own abilities.

It's difficult to understand his explanation.

You should protect your own health.

He is very interested in mathematical analysis.