◆admittedly adv. 公认地
inevitably 不可避免地
Admittedly he is a great person.
admittedly == we are admitting that

◆purchase v. 买
buy vt.
purchase 比buy 要正式，主要用于书面语，还可以是名词
Can you purchase fredom with money?
I need not remind you of that terrible tie you bought yesterday.(二册L41)
purchase money 买进的价格
purchasing power 购买力
Not worth a day’s purchase 危在旦夕
Eg: His life is not worth a day’s purchase.

◆annual adj. 一年一度的

◆teenager n. （13至19岁的）青少年

◆capsize vi. （船）翻
Eg: The ship capsized because of the rough wave.

◆shiver v. 打颤，发抖
shiver == tremble
整体的颤抖用shiver, 部分的用tremble
Eg: His hands are trembling.
    He is shivering with cold.
Eg: His trembling voice betrayed his secret. 他颤抖的声音泄漏了他的秘密。
Shudder 因为寒冷害怕的因素导致的全身抖动

◆dive v. （头向下）跳水
◆haul v. 拖曳
haul == pull with effort our force 强调用力去拉
Eg: They hauled the boat up the beach.
pull 连续不断地拉 （应用范围最广泛）

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L43-03  begin  11’46”

drag 拖拉(两者之间有摩擦力)
Eg: The stone was so heavy that I had to drag it into the room.
    After a day’s hard work, I dragged myself Home. 工作了一天我拖着疲惫的身躯回了家
Drag oneself to 拖着疲惫的身躯去……
tug 强调飞快的拖拉
Tow 借助外力拖拉较大较重的物体

◆hawser n. 粗缆绳
◆rim n. （圆形物品的）外沿，边
◆winch n. 绞车
◆agonizing adj. 精神紧张的，提心吊胆的
agonize v. 使精神紧张，使极度痛苦
agonized 感到精神紧张
agony n. == great pain 极度痛苦
He couldn’t carry out his resolution so he was so agony. 他不能实现他的坚定的决心而感到极度痛苦。
At the news he is in an agony of joy. 听到消息他感到极度的高兴。（agony 加强语气）

◆perch v. 处于（高处）
locate, situate 是正式用词，vt.
perch vi.
A bird perched on the branch of the tree for the moment.
perch on 栖息
The little village perches among the hills.这个小山村高高地位于群山之中。
Knock sb off his perch 打败、击败
Eg: I knocked him off his perch yesterday.
come off one’s perch 不再骄傲自大＝put your pride in your pocket.
put your pride in your pocket.

◆◆◆precariously adv. 危险地，不稳固地

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L43-04  begin  11’43”

Precarious = unsafe, unsteady, not firm 强调不安全，不稳定，不稳固而导致的危险
An actress’s life would be too precarious for me. 不稳定
dangerous  危险的常用词
Eg: Playing with matches is dangerous.
hazardous  碰运气的，冒险的 而导致的危险
Climbing the high mountain is hazardous.
adventruous  爱冒险的，胆子很大的
perilous    语义程度比dangerous 要高的多，强调被伤害或被杀害的危险
Eg: It is perilous to do so. 这么做有可能会丢了性命。