托福常用短语（b2）

beat, be 太累了

beef about 抱怨

beef up 加强

before you are scheduled to leave 在你决定离开之时间前

Before you could say Jack¹ Robinson 很快

before you know it 很快

behave yourself 请检点一点

behind bars 坐牢

behind one's back 背后

behind the scenes(curtain) 在幕后

behind the times 不合时宜

behind time 误期

believe it or not 信不信由你

benefit from 从中得到

best-seller 畅销书、唱片等

bet it is 当然是

better half 老婆

better luck next time 下次好运些吧

better than, be 比...多;多于

between my ribs and my back bone 肚子

beyond one's reach of 超出支付能力

beyond sb, be 使某人无法理解

1 jack   

n.插座，千斤顶，男人；v.抬起，提醒，扛举；n.（Jake）杰克

参考例句：

• I am looking for the headphone jack.我正在找寻头戴式耳机插孔。
• He lifted the car with a jack to change the flat tyre.他用千斤顶把车顶起来换下瘪轮胎。