4. concern
n. ［U］关心，担心，担忧；［C］有利害关系的事 
vt. 涉及，关系到，参与；使担心
联想拓展
concerning   prep.  关于
concerned   adj.有关的；担心的
concern sb.与某人有关
be concerned with sth.牵涉，与……有关；参与
concern oneself with 关心
be concerned about/for/over sth.担心；关心某事
as/so far as ... be concerned关于；至于；就……而言
As far as I am concerned, you can go wherever you want.
就我而言，你什么时候走都行。
We read stories concerning visitors from outer space.
我们读了关于天外来客的故事。
I was very concerned about my mother’s illness.
我很担心母亲的病情。
5. settle
vi. 安家；定居；停留
vt. 使定居；安排；解决
Both wanted to settle their scores.双方都愿意尽弃前嫌。
常用结构：
settle down 镇定下来
settle in 在……定居
He settled his child in a corner of the compartment.
他把孩子安顿在车厢的一个角落里。
The family has settled in Canada.
这家人已定居加拿大。
6. suffer
vt. 遭受；忍受；蒙受
vi.后接from/for意为“受……之苦”，“患……疾病”
常用结构：
suffer an attack/a defeat/losses/pains
遭受打击/失败/损失/痛苦
He suffered hard pains from the accident.
他忍受着事故带来的痛苦。
Do you suffer from headaches? 你经常头痛吗?
She’s suffering from loss of memory. 她患有遗忘症。
联想拓展
sufferer n. 受苦者，受难者
suffering n.痛苦，苦难