Bachelor of Arts 文学学士 Bachelor of Science 理学学士 back and forth 来回，往复 backwards and forwards 来来回回 base sth. on/upon 以„„为基础，以„„为根据 be about to do st.正要做某事 be abundant in,be abundant with 有丰富的，有大量的 be against 反对，违背 be amazed at 对„感到吃惊 be able to 能够 be about to be 即将，将要 be absorbed in 专心于 be accustomed to 习惯于 be acquainted with 熟悉 be anything about 根本不是 be around 来访 be ashamed of 为„羞愧 be buried in 全神贯注于 be good for 对„有用的,有力的 be grateful to sb. for sth.为某事而感激某 beat about the bush 绕弯子说话 beat (cudgel , rack) one’s brain 绞尽脑汁 beat time 打拍子 beat up sb.痛打某人 be bad for 对„„有害 be badly off 生活拮据；群困 be bound to 一定 be based on/upon 基于 be better off 生活良好，生活更佳 be blessed with 爱惠，在„„方面有福 be child’s play 容易之极 be content with 对„满足 be capable of 能够 be caught in 遇到（雨等） be clever at 擅长于 be clever with 善于使用 be concerned with 关心，挂念，从事于 be combined with 与„结合着 be composed of 由„组成 be content with 沉迷于 be crazy about 热衷于，迷恋着 be curious about 对„好奇 be destined to 注定 be determined to do sth 决心做某事 be delivered of（妇女）生下（孩子） be disappointed with 对„感到失望 be dying for; be dying to 渴望，巴不得立即 be endowed with 天生具有„，以„而告终 be engaged in 从事于 be eager to do sth 渴望做某事 be of no effect 无效 be fond of 爱好，喜爱 be familiar with 与„熟悉 be known as 以„知名，被认为是 be made up of 由„组成 be in (the) fashion 合乎时尚 be in habit of 有„的习惯 be in contact with 和„接触，有联系 be in the same boat 命运相同 be in trouble 处于困境 be familiar to 为„所熟悉 be familiar with 熟悉，通晓，精通 bend one...
