闲事的英文：
other people's business; unimportant matter

参考例句：

don't be nosey;Mind one's own business
别管闲事

I shall not concern myself about his affair.
我不会管他的闲事。

She was always fond of putting her spoon into other people's broth.
她老是喜欢管别人的闲事。

I don't like to pry into the affairs of my neighbors.
我不喜欢管邻居间的闲事。

people是什么意思：
n. 人，人们；人民，民族；雇员，支持者；客人，朋友；家人，亲人
v. 居住在，把...挤满人

They are the unworldly people.
他们是无俗念的人们。

Compare person,persons,people and peoples.
试比较person.persons,people,和people的用法

The government of the people, by the people, and for the people shall not perish from the earth.
民有、民治、民享的政府永世长存。

business是什么意思：
n. 商业，交易，生意；公司，商店；事情；职责

Be engaged in; be Busy in
从事于

to sit for business
因公滞留

As Busy as a bee
(象蜜蜂)忙忙碌碌的

unimportant是什么意思：
adj. 不重要的；琐碎的

The company considers the farmers to be ″unimportant clients.″
公司认为农民是“不重要的客户”。

A position or an area of relative inconspicuousness or unimportance.
不重要的地方相对来说不显著或不重要的位置或地区

It was an unimportant job, and paid very little.
这份工作无足轻重，而且薪水还很低。