It is important to gargle every day after brushing your teeth.

He was put in a tough situation, as if he was on the edge of a precipice.

When you catch a cold, it's good to gargle with salt water.

This concept is difficult.

I was surprised by his unexpected reaction.

It is said that his fortune reaches a trillion billion yen.

Mr. Takogai is my best friend.

He is receiving treatment for obsessive-compulsive disorder.

His father fell into a persistent vegetative state due to a traffic accident.

He is facing many difficulties due to gender identity disorder.