music/'mjuːzɪk/

1.noun [u] 
(sound) 音乐

classical music
古典音乐
2.noun

(activity) 音乐艺术

He plans to make his career in music.
他打算在音乐艺术方面发展。
3.noun [Education] [ 大学] 
音乐课

4.noun

(score) 乐谱

He's never been able to read music.
他一向不识乐谱。
to face the music
承担自己行为的后果
to be music to sb's ears
佳音