by mistake 弄错

be absent from 不在场的，缺少的

be absorbed in 全神贯注于

be accessible to 可接近的

be accustomed to 习惯于

be addicted to 对……有瘾

be afraid of 害怕

be allergic to 对……过敏

be amazed at 对……惊奇

be angry with/at sb

be annoyed with sb

be anxious about 担忧 for 渴望

be apparent to 显而易见

be appropriate for/to 适当，合适

be approximate to 近似，接近

be armed with 武装

be ashamed of/about 羞耻，惭愧

be astonished at/by 使惊讶

be attached to 依恋

be aware of 意识到

be bare of 几乎没有，缺乏

be based on 以……为基础

be bewildered by/at 迷惑，困惑

be bored with/by 厌倦

be bound up in 热中于，忙于

be bound up with 与…有密切关系

be burdened with/by 肩负

be busy with 忙于

be capable of 能做某事

be careless of 不关心的，淡漠的