be involved with涉及
be known as被称作…，浴
be late for迟到
be mad about迷恋
be good for适于，在…期间有效
be identified as被认为是
be indispensable for对……必不可少的.
be involved in包括…中，被卷入
be kind enough to(do)承…好意，恳请
be known to为……所熟知
be likely to(do)可能要，像是要
be made from由…制成(化学变化)
be made of由…制成(物理变化)
be mixed up混杂，混在一起
be obliged tm……for……因…而感激
be pleased to(do)乐于
be popular with得人心的，受…欢迎的
be prepared for做…打算;对…做好准备
be proud of以…自豪，因……感到满意
be ready to(do)装备好(做);乐意(做)
be made up of由…组成
be obliged to(do)被迫(做某事)
be well off生活富裕
学识谷
