B 开头单词

be always on the alert 常備

be always complaining 怨聲不絕

be already so 已然

be along with 和……一起

be along 來到

be almost lifelike in appearance 栩栩如生

be allowed to 被允許做某事

be allowed 被允許

be all the rage 風靡一時

be all the fashion 極時髦；風行一時

be all set 準備就緒

be all over the place 遮天蓋地

be all over 全場結束

be all out 不遺餘力

be all of a jump 緊張

be all nerves 神經緊張；高度不安

be all for the best [經濟學]結果縂會好的

be all for 完全贊同

be all equal [經濟學]一律平等

be all ears and eyes 耳目衆多