concern
单词辨析：
强调由某事的不确定性而引起的焦虑或恐惧，也指因失败、不幸、灾难等而产生的忧虑心情。
Anxiety overtook her when she heard her husband had had an accident.
听到丈夫出了车祸，她非常焦急。
Our anxiety grew with the falling night.
随着夜幕降临，我们越发焦虑。
强调因恐惧或责任而产生的忧虑或负担。
She is single, and has no cares.
她单身，没有负担。
She is free from care.
她无忧无虑。
强调对和自己或他人有利害关系的人或事物的担心或关切。
His child's future was his greatest concern.
孩子的前途是他最大的担忧。
The woman's concern for her sick child is great.
那个妇女非常挂念生病的孩子。
My concern is only with my business.
我关心的只有我的生意。
强调心绪不宁的感觉。
public unease about financial policy
民众对财政政策的忧虑
Most students now feel a growing sense of unease about their future.
大多数学生现在对前途感到越来越不安。
强调心烦意乱，心里老惦记着某人或某事，有时含瞎操心之意。
Lack of food is one of their worries.
缺粮是令他们担忧的事情之一。
He lives alone without any worries.
他一个人生活，无忧无虑。
通常指关乎利益、命运等的紧要事务，必须予以考虑或解决。
This is a serious matter that you need to concentrate on.
这件事很严重，你需要集中精力解决。
This is a matter for the manager to decide.
这是该由经理决定的事。
指令人印象深刻的重大事件或具有某种特点的不寻常之事。
Who first reported the Watergate affair?
谁最先报道了水门事件？
The wedding was a very grand affair.
婚礼场面非常隆重。
affairs 表示公共或政治事务、活动，也可指私事。
She is interested in public affairs.
她对公共事务感兴趣。
Don't keep asking about my financial affairs.
不要总是打听我的财务问题。
指需要完成或讨论的重要事务，也指归某人管的事或某人持有某种看法的事情。
Let's get down to the unfinished business.
我们来处理尚未了结的事务吧。
My family life is my personal business.
我的家庭生活是我的私事。
He regarded homework as serious business.
他把作业当作重要的事。
指关系到某人切身利益、引起其关注或担忧的重要事情。
What is a mother's main concern?
当妈妈的最关心什么？
How to control inflation has become a major concern for consumers.
如何控制通货膨胀已成为消费者关注的重要问题。
普通用词，词义最为广泛，可指任何事实、事件、情况、行为等。
That strange thing worried him a lot.
那件奇怪的事情让他十分不安。
The first thing to do is to improve their working conditions.
首要的事是改善他们的工作环境。
相关例句：
Chapter 2 concerns itself with the methodological difficulties.
第二章讲的是研究方法上的难点。
The bulk of the book concerns Sandy's two middle-aged children
书中主要描写桑迪的两个已到中年的孩子。
How they are paid should be of little concern to the bank as long as they are paid.
只要肯付款，付款方式对银行来说不是很重要。
The move follows growing public concern over the spread of the disease
针对公众对该疾病的不断蔓延日益担忧，从而出台了这一举措。
I didn't concern myself with politics
我不关心政治。
It concerned her that Bess was developing a crush on Max.
贝丝迷上了马克斯，这让她很担心。