業餘愛好用英文怎麼表達？怎麼寫

例句：

I only play jazz as a hobby.

我彈奏爵士樂只是一種業餘愛好。

His hobby is freefall parachuting.

他的業餘愛好是自由落體式跳傘。

He hasn't got any hobbies ─ unless you call watching TV a hobby.

他沒有什麼愛好——除非你把看電視也稱作愛好。

It is only a hobby, not a life or death struggle.

這只是一項愛好，不需要拼死拼活地努力。

Take up a relaxing hobby, such as knitting.

培養一種能放鬆身心的愛好，比如編織。