He jumped into the waterfall basin.

He bought a new tuxedo for the wedding.

He is good at calculating polynomials.

He didn't know the meaning of the slang term 'zenra taiki'.

Your house is very nice, isn't it?

His attitude toward his work is very admirable.

I buy takoyaki at that roadside stand every weekend.

He departed from the room.

He is planning to depart tomorrow.

Mr. Takahara is my best friend.