207.assassin ： 暗杀

A murderer. A person who sets out to kill someone, esp. a prominent person.

谋杀者。密谋杀害他人，特别是一位杰出人物的凶手。

Police are still looking for the assassin of the president candidate.

警方仍在追查暗杀总统候选人的凶手。

208.assault ： 袭击

The act of attempting or threatening to harm another person.

试图伤害或威胁要伤害他人的行为。                                 

Mr. Green was assaulted while he was walking on 25  th   street.

格林先生在第25 大街行走的时候受到袭击。

209.attack dog ： 攻击犬

A canine dog that has been trained to attack burglars, etc.

一种经过训练的狼犬，用来攻击窃贼等。

The officer’s attack dog has saved his life many times.

这位警察的攻击犬多次救了主人的命。

210.back-alley butcher ： 卑鄙的屠夫

Slang for abortionist.

俚语，给人施行流产手术的人。

Demonstrators picked an abortion clinic with signs that said “back-alley” butcher.

示威者将一家流产诊所用标语牌围起来，牌子上写着”卑鄙的屠夫”。

211.bail ： 保释金

Money that is deposited with a court in order to secure the release of a defendant while awaiting trial.

存放在法庭的一定数量的保证金，以使被告在候审期间获得释放。

Frank’s wife came down to the police station to bail him out.

弗兰克的妻子到警察局将他保释出来。

212.ballistics ： 弹道学

The science of firearms and the study of the motion of bullets.

研究火器及子弹运动的科学。

A ballistics expert was taking evidence at the scene of the crime.

一位弹道学家正在犯罪现场提取证据。

213.blackmail ： 敲诈，勒索

The act of threatening to reveal personal information, esp. sexual scandals, in order to extract money.

以揭露隐私特别是性丑闻为威胁手段以谋取钱财的行为。

Linda was involved in a blackmail scandal of the mayor.

林达涉嫌敲诈市长的丑闻。

214.black market ： 黑市

A market place where illegal or hard-to-get items are sold or where money is illegal exchanged.

非法或紧俏物资的销售点，或者非法换汇的地方。

Gangs are buying assault weapons on the black market.

黑帮总在黑市购买攻击性武器。

215.blood money  ： 血腥钱

Money that is paid as retribution for injury, loss of life, vandalism, etc.

为他人受伤、丧命、损坏财产而付出的酬金。

The mafia paid blood money to have that man killed.

黑手党拿出血腥钱将那人杀了。