介绍： 1.*harm [hɑːm]
vt. / n. 伤害，损害
Thankfully no one was harmed in the accident.
所幸事故中没人受伤。
do more harm than good 害多利少
harmful adj. 有害的
Smoking is harmful to your health.
吸烟有害健康。

2.*ruin ['ruːɪn]
v. 毁灭，毁坏
n. 废墟，毁坏
That guy isn’t going to ruin my life.
那个家伙不会毁了...

介绍： 1.*harm [hɑːm]
vt. / n. 伤害，损害
Thankfully no one was harmed in the accident.
所幸事故中没人受伤。
do more harm than good 害多利少
harmful adj. 有害的
Smoking is harmful to your health.
吸烟有害健康。

2.*ruin ['ruːɪn]
v. 毁灭，毁坏
n. 废墟，毁坏
That guy isn’t going to ruin my life.
那个家伙不会毁了我的生活。
Years of fighting left the city in ruins.
经年的战事使得该城市满目疮痍。

3.*damage ['dæmɪdʒ]
v. /n. 损坏，损害
Many buildings were badly damaged in the war.
许多建筑在战争中严重被毁。

4.wreck [rek]
v. /n. 破坏；毁坏；失事
He has been warned that his behaviour might wreck his chances of promotion.
有人警告他说他的行为可能会毁掉自己晋升的机会。

5.spoil [spɒɪl]
vt. 溺爱；破坏
Grandparents are likely to spoil the kids.
爷爷奶奶们很可能溺爱孩子。
He tried not to let the bad news spoil his evening.
他尽力不要让坏消息破坏了这个夜晚。

6.impair [ɪm'peə]
im进入+pair一对→进入到一对情侣间，破坏他们感情
vt. 损害，削弱
Lack of sleep impaired her ability to think clearly.
缺乏睡眠使她清晰思考的能力受损。

7.undermine [ʌndə'maɪn]
under下面+mine矿→把下面的矿都挖了，这个地方就被“破坏”了
vt. 破坏, 逐渐削弱
The incompetence and arrogance of some officials have undermined public confidence in government.
有些官员的无能和傲慢损害了政府的公信力。

8.hamper ['hæmpə]
vt. 妨碍
hamper traffic 阻碍交通
Fierce storms have been hampering rescue efforts.
猛烈的风雪妨碍了营救工作。

9.*hinder ['hɪndə]
hind 看作 behind 后面+ er后缀，表人→后面有个人拖后腿
vt. 阻碍
Her progress certainly hasn't been hindered by her lack of experience.
经验不足当然没有妨碍她的进步。

10.*block [blɒk]
v. 封锁，阻挡；阻止
My view was blocked by a tall man in front of me.
在我前面的那个高个子男人挡住了我的视线。
n. 块；区；障碍
The museum is just six blocks away.
博物馆只有六个街区那么远。

11.*barrier ['bærɪə]
bar棒/条，障碍物+ rier后缀→一个棒状的障碍物
n. 栅栏；障碍(物)
The police put up barrier to control the crowd.
警察设置栅栏以控制人群。
trade barrier 贸易壁垒
language barrier 语言障碍