介绍： 1.precaution [prɪ'kɔːʃ(ə)n]
n. 预防，预防措施
They failed to take the necessary precautions to avoid infection.
他们未能采取必要的预防措施来避免感染。

2.discreet [dɪ'skriːt]
adj. 谨慎的，小心的
The family made discreet enquiries about his background.
那家人小心翼翼地打听他的背景。

3.rash [ræʃ]
adj. 轻率的...

介绍： 1.precaution [prɪ'kɔːʃ(ə)n]
n. 预防，预防措施
They failed to take the necessary precautions to avoid infection.
他们未能采取必要的预防措施来避免感染。

2.discreet [dɪ'skriːt]
adj. 谨慎的，小心的
The family made discreet enquiries about his background.
那家人小心翼翼地打听他的背景。

3.rash [ræʃ]
adj. 轻率的，鲁莽的
I think it was a bit rash of them to get married when they’d only known each other for a few weeks.
我觉得他们刚认识几周就结婚有些草率。

4.hasty ['heɪstɪ]
adj. 仓促的，轻率的
I think perhaps we were a little hasty in judging him.
我认为我们对他的评价可能有点轻率。

5.*bold [bəʊld]
adj. 大胆的
She was a bold and fearless climber.
她是一位勇敢无畏的登山者。
bald adj. 秃顶的, 光秃的

6.*reckless ['reklɪs]
adj. 鲁莽的，轻率的
He was found guilty of reckless driving.
他被判鲁莽驾驶罪名成立。

7.*note [nəʊt]
n. 便条；注解；笔记(notes)；音符；语调，口气
vt. 注意；提到
They noted the consumers’ growing demand for quicker service.
他们留意到消费者对便捷服务与日俱增的需求。
In the article, she notes several cases of medical incompetence.
在文章中，她提到了几起医疗事故的案例。

8.notable ['nəʊtəb(ə)l]
adj. 显著的；值得注意的；著名的
n. 显要人物；名流
Getting both sides to agree was a notable achievement.
使双方达成共识是一项显著的成就。

9.notion ['nəʊʃ(ə)n]
n. 观念，看法
misguided notions of male superiority
男尊女卑的错误观念
the traditional notion of marriage
传统的婚姻观

10.notify ['nəʊtɪfaɪ]
vt. （正式）通知，告知
The school is required to notify parents if their children fail to come to school.
如果孩子没来上学，学校必须通知其家长。
notification n. 通知，通告