be taken aback吃惊
be terrified at被吓一跳
be through with结束
be tired of厌烦;对厌倦
be torn open被撕开
be unconscious of不知道
be unfit for不适合，不胜任
be wrong with有点毛病，有些不舒服
be used to习惯于
be useful to对有用
be wild with joy欣喜
be worried about为而担心
be worth值得
be determined to决心
be different from与不同
be divided into被分成
be eager to急于要
be equal to等于
be fed up厌烦
be m for适合，胜任
be free from没有的，不受影响的
be frightened at受惊吓
be surprised at对感到惊奇
be taken by surprise被突袭
be lost in thought沉思
be tired from因而疲乏