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Lesson 1
第1课
alert
a. 警觉的，留神的，注意的 vt. 向…报警，使警惕；使认识到 n.警戒（状态），戒备（状态）；警报
The cat is alert and pricks up its ears, when a mouse is approaching.
老鼠一靠近，猫就警觉起来，连耳朵都竖起来了。
The African tour guide alerted everybody to paying attention to safety in safari parks.
非洲导游告诫大家在参观非洲野生动物园的时候要注意安全。
arbitrary
a. 随意的，任意的；专断的，专制的
Don't make arbitrary decisions, when it comes to matters of great significance to your whole life.
对于终身大事切莫做出武断的决定。
behalf
n.利益，方面
Our monitor gave a speech on behalf of all graduates at the commencement ceremony.
在毕业典礼上，我们班长代表全体毕业生致辞。
bulk
n.巨大的物体；大块；主要部分；体积大，大量 vi.变得越来越大（或重要） vt.使更大（或更厚）
Many kid spent the bulk of their time taking talent lessons in summer break.
暑假期间，许多孩子们都把大部分时间花在了才艺训练班上。
It's horrible when greed bulks up.
贪念膨胀是很可怕的事情。
chip
n.屑片，碎片；（常pl.）炸土豆条（或片）；集成电路片，集成块；缺口，瑕疵 v.削（或凿）下（屑片或碎片）
It's amazing that the chips on which the computers rely are so small.
电脑就靠那么小的芯片在运作，真实神奇啊！
The cement of the old building chipped off,which shows the marks of time.
老房子的外墙水泥已经剥落，显露出岁月的痕迹。
collapse
vi./n.倒塌，塌下；崩溃，突然失败
The castle of building blocks collapsed, which made the little boy cry loudly.
积木城堡塌了，小男孩大哭起来。
The collapse of the company leads to unemployment of more than one hundred employees.
公司倒闭了，上百名员工失业。
competition
n. 竞争，比赛
A company should rely on science and technology as well as innovation to win the market competition.
一家公司想要在市场竞争中胜出，要靠科技和创新。
decline
n./vi. 下降，衰退 vi.衰落;vi./vt.谢绝，拒绝
When people get older, the decline ot memory begins.
人老了，记忆力就开始衰退。
Rose declined Jack's love, because he was too poor.
露丝婉拒了杰克的爱意，因为杰克是个穷小子。
Many people are looking forward to seeing the price of housing will decline soon.
很多人都希望看到房价能够快点降下来。
elaborate
a.精心计划的，详尽的；复杂的 v.详述；详细制订
When writing an argumentative essay, you have to elaborate on every point.
写议论文的时候，每个观点都需要有详细的论述。
You'd better make an elaborate plan beforehand, if you want to have a smooth trip in foreign countries.
要想出国旅行玩得畅快，最好事先做好详细的计划。
expense
n.价钱，花费，费；（pl）开支，业务费用
Nowadays, education expenses take a large portion in family expenses.
如今，教育花费在家庭支出中占了很大的比例。
fatal
a.致命的，灾难性的，毁灭性的，重大的，决定性的
Money is of fatal attraction to Grandet.
金钱对葛朗台来说有着致命的吸引力。
formal
a. 正式的，正规的，合礼仪的；形式上的，表面的
The ball invitation letter says attendants should wear formal evening dress.
舞会邀请函上注明参加者需要穿正式晚装。
hostile
a. 敌对的，敌意的，不友善的；敌方的
Most dogs are hostile to cats. Why is that?
为什么大多数狗跟猫过不去？
