B 开头单词
be in a daze 发呆；发愣
be in a bustle 吵吵闹闹
be in a bind 左右为难
be in a bad way 病情严重
be in 执政；在家；到达；在…里面
be improved 完善
be imprisoned 坐牢 入狱
be impressed with 对…印象深刻
be impressed by 被...所感动；被...给予深刻印象
be impressed 深受感动的
be importunate 死气白赖
be important 是重要的
be impolite 没规矩
be implacably opposed to somebody 有你无我，有我无你
be impermissible 来不得
be impending 临头
be impatient with 对…不耐烦；对…感到急躁