bet on . risk money on the result of 为…打赌

He is going to bet on the white horse．他要在那匹白马身上下赌注。

He bet me ten dollars on John's coming．他认为约翰会来，与我赌10美元。

better off . richer；happier；in a more favorable position 更富有；更愉快；状况更好

You will be better off in your new job．你会更适应新的工作环境。

The Chinese people are better off today than in the past．现在，中国人民的生活比过去好多了。

When she got home she was not much better off．当她到家的时候，她并没有好转的感觉。

between ourselves . in confidence；between you and me 只限于你我之间；不可外传

What we say here is between ourselves．我们在这里所说的话不可对他人说。

beware of . be on one's guard against；be careful of当心；小心

Beware of pickpockets when you go shopping．买东西时要当心扒手。

You should beware of repeating the same mistakes．你应当注意不要犯同样的错误。

You must beware of hasty generalizations．你必须注意避免作出轻率结论。

beyond description . 难以形容的；难以描述的

The grand sight of the Yellow Mountain is beyond description．黄山的美景非笔墨所能描述。

The film is dull beyond description．这部电影单调极了。

beyond doubt .  doubtless 无疑的；一定的

Beyond doubt，he is the best student in the class．他无疑是全班最好的学生。

It's beyond doubt that we can overcome all these difficulties under the leadership of our Party．毫无疑问，在党的领导下，我们能战胜所有这些困难。

beyond one's means .  more than one can afford 非财力所及

Don't live beyond your means．过日子不要超出自己财力所及的范围。

beyond somebody 's power . out of somebody 's reach是某人力所不及的

It is beyond his power to get the work done within a week．他无法在一周内完成这项工作。

beyond words . incapable of being expressed 无法用语言表达

The grief is beyond words．悲哀难以用言语表达。

His kindness is beyond words．他的仁慈是无法形容的。

He was touched beyond words．他感动得无法用言语来表达。

beyond question . without question . not to be doubted .  not to be disputed . 毫无疑问；没有争论的余地

This university is beyond question one of the best in China．这所大学无疑是中国最好的大学之一。

His drawing is without question the best in the class．他的画无疑是班上最好的。

bid farewell to . say goodbye to 向…告别

She bade farewell to her relatives and friends．她向亲友们告别。

In bidding farewell to him，we requested him to convey our profound feelings to the American people．在向他告别时，我们请他转达我们对美国人民的深厚感情。

big shot . important person重要人物

My friend thinks he's a big shot because he has some responsibilities in the mayor's office．我朋友因为在市长办公室负点责就自认为是个重要人物。

The world is full of people who think that they are big shots，but few ever get into the history books．世界上许许多多的人自认为是重要人物，但是很少一部分人被写入历史书中。

bind over . 使…保证做

The two men were bound over to keep the peace．这两个人被勒令守法。

The magistrate said，“I shall bind you over to keep the peace．”地方法官说：“我要你遵纪守法。”

bind up  . wrap about 捆扎

She expertly bound up the wound．她娴熟地把伤口包了起来。

bind up  .  be closely connected with 同…密切相关

Her life is bound up in yours now．现在她的生活同你密不可分。

bind up  . be absorbed in 沉缅于；专心干

He is completely bound up in the book he is writing．他正潜心写那本书。

bind up  . heal治好

Consolation will bind up her broken heart．安慰将会抚平她受伤的心灵。

bite off . take off by biting咬掉；咬断

The dog bit off a piece of meat．狗咬掉了一块肉。

bite the bullet . 勇敢地忍受；忍辱负重

The government called the people to bite the bullet and rebuild their homes．政府号召人民忍受巨大痛苦重建家园。

He will bite the bullet and make personal sacrifices．他将忍受巨大的痛苦，作出个人牺牲。

black and white . in writing书面记下

We asked the dealer to put down the details of the sale in black and white．我们要求商人把成交的详细项目写下来。

black and white . 未着色

She likes the picture in black and white．她喜欢那幅水墨画。