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1.explosive
n.炸药;爆炸物[/scode]
英英释义：
An explosive is a substance or device that can cause an explosion.
例句：
There were traces of explosives in the bedroom.
卧室里有炸药的痕迹。
拓展：
对于“explosive”，我们最常见的意思是它作为形容词，表示“会爆炸的;能引起爆炸的 ”或者“（增长）爆炸性的，迅猛的 ”
这里再补充一个它的熟词生义 ，作为形容词，形容人时还可以表示“易怒的;暴躁的 ”
例如：
She was unpredictable, explosive , impulsive and easily distracted.
她难以捉摸，脾气暴躁，冲动鲁莽，容易分心。
“short ”的中文意思也可以表示“暴躁的;易怒的 ”【If you have a short temper, you get angry very easily.】
例如：
She is an awkward, self-conscious woman with a short temper.
她是一个脾气暴躁、笨拙又忸怩的女人。
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2.count
n.(被指控的)罪状,事项[/scode]
英英释义：
(law 律) a crime that sb is accused of committing.
例句：
①They were found guilty on all counts .
他们被判各项罪名成立。
②She appeared in court on three counts of fraud.
她因三项诈骗罪而出庭受审。
拓展：
这里补充一个常见短语：
at the last count 据最新消息
举个栗子：
At the last count , 400 people had agreed to join.
下面这道选择题也考到了该用法
再补充两个：
count down (to) 倒计时 【to think about a future event with pleasure or excitement and count the minutes, days, etc. until it happens】
举个栗子：
She's already counting down to the big day.
她已经在对这一重大日子倒计时了。
count against sb (被)认为对某人不利 【to be considered or to consider sth as a disadvantage in sb】
举个栗子：
For that job her lack of experience may count against her.
她缺乏经验可能对她申请那份工作不利。
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3.refrain
n.反复说的话;老调[/scode]
英英释义：
A refrain is a comment or saying that people often repeat.
例句：
Rosa's constant refrain is that she doesn't have a life.
罗莎总是重复的一句话就是她没有像样的生活。
拓展：
关于“refrain”,其实还有一个熟词生义，表示“（歌曲的）叠句，副歌部分 ”【A refrain is a short, simple part of a song, which is repeated many times.】
举个栗子：
a refrain from an old song.
一首老歌的副歌部分
同时，关于“老套的”，tired 也可以表示“陈旧的;陈腐的 ”
【If you describe something as tired, you are critical of it because you have heard it or seen it many times.】
比如：
I didn't want to hear another one of his tired excuses.
我不想听他的又一个老掉牙的借口。
同时，我刚好想起来最近背的一个同义词：hoary adj.古老的;陈旧的;老掉牙的【If you describe a problem or subject as hoary, you mean that it is old and familiar.】
举个栗子：
the hoary old myth that women are unpredictable.
“女人心，海底针”这种老一套的鬼话
这里补充一个更常见的表达：cliche /ˈkliːʃeɪ/【a phrase or idea that is boring because people use it a lot and it is no longer original】
举个栗子：
If it doesn't sound like too much of a cliché , our world is constantly changing, and it's changing quickly.
如果这听起来不太像陈词滥调的话，我们的世界一直在变化，而且变化很快。
Matt Haig的新书 The Midnight Library 也出现了这个表达：
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4.province
n.（兴趣、知识、责任的）范围，领域[/scode]
英英释义：
If you say that a subject or activity is a particular person's province, you mean that this person has a special interest in it, a special knowledge of it, or a special responsibility for it.
例句：
①Arvo avoided committing himself. 'I'm afraid that's not my province,' he replied.
阿尔沃不想作出承诺，“恐怕那不归我管，”他回答说。
②Industrial research is the province of the Department of Trade and Industry.
工业研究属贸易和工业部的职责范围。
拓展：
看到这个单词，我联想到一个意思相近的熟词生义：preserve n.专属工作；独占的活动领域 【If you say that a job or activity is the preserve of a particular person or group of people, you mean that they are the only ones who take part in it.】
举个栗子：
The conduct of foreign policy is largely the preserve of the president.
外交政策事宜主要由总统专门负责。
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5.fan
v.(故意)煽动，激发(恐惧、仇恨、热情等)[/scode]
英英释义：
If someone fans an emotion such as fear, hatred, or passion, they deliberately do things to make people feel the emotion more strongly.
例句：
He said students were fanning social unrest with their violent protests.
他说学生们的暴力抗议会煽动起社会动乱。
《新闻周刊》一篇题为 Arab Spring Reckoning 的文章也出现了这个表达：
拓展：
同时再补充一个短语表达：fan out 四散;散开【If a group of people or things fan out, they move forwards away from a particular point in different directions.】
举个栗子：
Korontzis picked up his hand slowly and fanned out the cards one by one.
科龙奇斯慢慢抬起手，一张一张地把牌展开。
