be alive to 对…敏感，觉察，关心

be all ears 全神贯注地倾听着

be amazed at phr.对…感到惊讶

be angry with phr.对(某人)发脾气

be at the end 到尽头，达限度

be at war 处于交战状态

be attached to 附属于；喜爱；爱慕

be attentive to 对…关怀

be available for 有效

be awake phr.醒着的

be aware of 知道，意识到，认识到

be beneficial to 有利于，有益于

be better off 境况富裕；更富有

be blind to 不了解，对…是盲目的

be born phr.出生于

be bound for 准备到…去；开往

be bound to 一定会…，必然…

be bound up in 热心于；忙于

be bound up with 与…有密切关系

be burned to a crisp 烧脆

be busy doing phr.忙于做…

be busy with 忙于…

be capable of 有做出(某事)倾向的