This mountain is mainly composed of gneiss.

He is good at playing the bianqing.

My tonsils are swollen, so I need to see a doctor.

He clearly shows a prejudicial treatment for chocolate.

He is clearly showing prejudicial treatment towards his younger brother.

This verb is irregular, it cannot be conjugated regularly.

He was in charge of the musical arrangement of the song.

He arranged the music.

The transmission of this car is very smooth.

His picky eating makes it difficult for him to lead a healthy diet.