B 开头单词
be in imminent peril 旦夕难保
be in imminent danger 处于迫在眉睫的危险 濒危
be in hot water 陷入困境
be in hot haste 急如星火
be in high spirits 情绪很高；兴高采烈
be in harmony with 与…协调一致
be in harmonious proportion 调和
be in great terror 提心吊胆
be in great danger 处于极大的危险当中 处于极其危险的境地
be in good shape 身体状况良好 整装待发
be in good order 井然有序
be in good luck 时来运转
be in full swing 达到高潮阶段 正在全力进行当中
be in full mourning 一身重孝
be in for 必定遭到；参加
be in favour of 赞同... 喜欢...
be in error 犯错误