B 开头单词
be weary of 对…感到厌倦；不耐烦
be weak in the head 不大聪明
be weak and useless 懦弱无能
be weak 虚弱
be wayward and act imprudently 逞性妄为
be way beyond expectation 大出所料
be way ahead 遥遥领先
be watertight 水泄不通
be wary of 提防；当心
be warranted to be [航空、航天科学技术]保证是
be war-weary 厌战
be wanting in tact 不知机变
be wanting in ability and shallow in knowledge 才疏学浅
be void of 没有…；缺乏…
be vividly portrayed [语言学]呼之欲出
be vital to 对…极其重要