业余的英文：
spare time
amateur

参考例句：

By profession a lawyer and incidentally a musician.
职业上是律师而业余是音乐家

Amateur actors often overact.
业余演员往往表演过火。

The competition is open to both amateur and professional photographers.
业余的和职业的摄影者均可参赛。

This is a picture I had exhibited at an exhibition of works by amateur artists.
这张画是我在业余画家作品展中展览过的。

Last year I worked as a part-time salesgirl on Sundays for Procter and Gamble (Hangzhou) Ltd.
去年,我利用星期天为杭州宝洁有限公司当过业余推销员。

A nonprofessional archaeologist.
业余考古学家

You are a professional, but I am amateur.
你是专职的，我是业余的。

Amateur,commercial video
业余、商业电视

I'm an amateur photographer.
我是个业余摄影师。

an amateur painter [ photographer ]
业余画家[摄影师]

spare是什么意思：
adj. 备用的；预备的；剩下的；空闲的；瘦削的；简单的；不加修饰的
v. 剩余，剩下；抽出，拨出；使免遭伤害；使幸免；不让…难堪
n. 备用零件，备用轮胎

a reserve supply of food; a spare tire; spare parts.
食物供给储备；备用轮胎；机器备件。

Spare the rod and spoil the child.
省了棍子，害了孩子。

Spare the rod and spoil the child.
棍棒之下出孝子。

time是什么意思：
n. 时间；（一段）时光；时机；机会；历史时期；时代；次；回；倍
v. 测定…所花时间；调准；调整；测定…所花时间
adj. 时间的；定时的；定期的；分期的

discrimination time
辨别时间辨别时间

It is time to go.
该走了。

They are not in step with the times.
他们跟不上时代的步伐。

amateur是什么意思：
n. 业余从事者；外行
adj. 业余的，外行的

But amateur Egyptologist Maureen Clemmons has a theory.
不过作为一名外行的埃及学家，毛瑞恩·克莱蒙斯提出了一个新的看法。

I always was good at amateur theatricals.
我一向擅长业余表演。

This is the photographer's bible — Amateur Photographer.
这是摄影师的宝典——《业余摄影师》。