He arrived in Tokyo yesterday.

He is known as an expert in forensic science.

I like listening to Japanese music.

He is an expert in nuclear physics.

It's difficult to calculate the area of this hexagon.

Who wrote the screenplay for this movie?

It suddenly started raining.

Beautiful Chinese elder is blooming in my garden.

He played the ninth note of the shí-èr-lǜ, Isoku, on the piano.

My son says he wants to become a doctor.