a 开头单词
a big heap of 一大堆
a big noise 耸人听闻的事实
a big piece of paper [法学]一大张纸
a big pot 大人物
a big shot n. 大人物；大亨
a big talk 夸夸其谈
a bill of fare 菜单；节目单
a billionth part 十亿分之一
a bird of prey n. 猛禽
a bit 一点儿；有一点儿
a bit expensive 有点贵
a bit later 晚一点
a bit of 一点
a bit off 有点失常；不太对劲
a bit on the side 婚外情；情人。
a bit thick 过分