bring about 使……發(fā)生
bring someone up to date 幫某人趕上help someone catch up
by accident 偶然
by air 通過航空途徑
by all means 盡一切辦法，務必
by and by 不久，遲早
by chance 偶然，碰巧 back and forth 來回地，反復地
back of 在……后面
back up 后備，支援 bare of 幾乎沒有，缺乏
be able to do 能夠
be around 差不多
be available to sb. 可用，可供
be bound to 一定
be capable of doing 能夠 90. be concerned with關心…，涉足…
be dying to 渴望
be fed up with 受夠了be tired of
be in hospital 住院
be in season 上市的/in peak season旺季
be in the mood to do sth. 想做
be pressed for time 時間不夠
be tied up with 忙于
be under the weather 身體不好 beyond one's ability 超越某人的能力
break though 突破
break up with 和某人分手be through with/be finished with
beat around the bush 拐彎沒角
beat the crowd 避開人群

beyond question 毫無疑問
book on reserve 須留的圖書
by oneself 單獨地，獨自地
by reason of 由于
by the way 順便說說
by virtue of 借助，由于
by way of 經由，通過……方法 booked up 訂完了
bound for 開往
break down 拋錨
by far 最，……得多
by hand 用手，用體力
by itself 自動地，獨自地
by means of 用，依靠
by mistake 錯誤地，無意地
by no means 決不，并沒有

另外，英語學習不是一朝一夕的事情，只要學生善于循序漸進，持之以恒學習英語，英語定會逐日提升；