提醒：点这里加小编微信（领取免费资料、获取最新资讯、解决考教师一切疑问！）
at the latest 最迟、最晚
at the most 最多
at the price of 以……为代价
at the risk of 冒着……的危险
at the same time 同时
at the sight of 看见
at the speed of 以……的速度
at the thought of 当……想到
at the top of the voice 用最高的声音
attempt to do 尝试去做、企图去做
attend to sth. 注意;对……关注
attitude to/towards sth. 对……的态度
attract one's attention 吸引某人注意力
back and forth 来来往往地、(前后)来回地
bark at (狗)向……叫
be (good) value for money ……值钱
be able to do 能够……、有能力……
be about to do when 就要做某事时，突然……
be about to do 准备做……(不接时间状语，表示将来)
be absent from 不在、缺席
be absorbed in 沉迷于……、迷恋于……
be active in 在……活跃
be admitted into universities 被大学录取
be afraid of doing 担心某事会发生
be afraid of sth./sb. 害怕某人(物)
be afraid that… 恐怕……
be afraid to do 不敢去做
提醒：点这里加小编微信（领取免费资料、获取最新资讯、解决考教师一切疑问！）
