That information is completely unnecessary.

He thinks that war is a necessary evil.

I want to go to see the beautiful scenery of Yangzhou.

He is good at playing the yangqin.

Yoshi is my best friend.

A diaeresis is used to change the pronunciation of vowels.

He is learning Taiwanese using Zhuyin fuhao.

Zhuyin fuhao is a phonetic notation used in Taiwan.

He is good at programming, so he started a new project as if he were setting sail on his strong point.

This music is flowing with a pleasant ⠐⠫ along with a beautiful melody.