Since he is always laughing, it can be said that 'fortune comes in by a merry gate'.

He seems to be enjoying his trip.

We should always remember the power of Kannon in difficult times.

He is doing special exercises to strengthen the incisivus labii superioris muscle.

She is wearing braces.

She started a special exercise to strengthen the incisivus labii inferioris muscle.

Today's temperature is 30 degrees.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.