by和with,这两个词都有用的意思,那什么时候用by什么时候用with呢

by和with,这两个词都有用的意思,那什么时候用by什么时候用with呢
这两个词都有用的意思,那什么时候用by什么时候用with呢（是意思是用的情况下.）

In the company of; accompanying: 和,陪伴：在…陪伴下；随同： Did you go with her? 你跟她一起去吗? Next to; alongside of: 在…旁边,同…在一起： stood with the rabbi; sat with the family. 与教士站在一起,与家人坐在一块儿 Having as a possession, an attribute, or a characteristic: 带着,带来：作为所有物、属性或特点具有： arrived with bad news; a man with a moustache. 带来坏消息；留络腮胡子的男人 Used as a function word to indicate accompanying detail or condition: 样子,状态：用作功能词表示伴随的细节或状况： just sat there with his mouth open. 只张着嘴坐在那儿 In a manner characterized by: 以…方式： performed with skill; spoke with enthusiasm. 很有技巧地表演；热情地说话 In the performance, use, or operation of: 使用：在…的表现、使用或运行中： had trouble with the car. 汽车出了毛病 In the charge or keeping of: 负责,照料： left the cat with the neighbors. 把猫托邻居照顾 In the opinion or estimation of: 以…的观点或估计： if it's all right with you. 如果你没异议的话 In support of; on the side of: 支持,赞同： I'm with anyone who wants to help the homeless. 我支持任何想帮助流浪汉的人 Of the same opinion or belief as: 和…一致：与…有相同观点或信仰： He is with us on that issue. 在那个议题上他和我们观点一致 In the same group or mixture as; among: 混在一起：在同一组中或同一混和物中；在…中： planted onions with the carrots. 把胡萝和洋葱种在一起 In the membership or employment of: 是…的成员；受…雇佣： plays with a symphony orchestra; is with a publishing company. 在交响乐团内演奏；受雇于一个出版公司 By the means or agency of: 用：通过…的方式或媒介： eat with a fork; made us laugh with his jokes. 用叉子吃饭；以他的笑话引我们发笑 By the presence or use of: 以：通过…的存在或使用： a pillow stuffed with feathers; balloons filled with helium. 用羽毛装满的枕头；装满氦气的气球 In spite of: 尽管： With all her experience, she could not get a job. 尽管很有经验,她还是找不到工作 In the same direction as: 与…同向： sail with the wind; flow with the river. 顺风起帆；顺河而流 At the same time as: 与…同时： gets up with the birds. 与鸟儿同时起床 In regard to: 关于,对于： We are pleased with her decision. They are disgusted with the status quo. 她这样决定,我们很高兴；他们对现状很厌恶 Used as a function word to indicate a party to an action, a communicative activity, or an informal agreement or settlement: 和…：用作功能词表示某个动作、交流活动或非正式协议或决定的一方： played with the dog; had a talk with the class; lives with an aunt. 与狗玩；和班上的同学谈一谈；与姑母住在一起 In comparison or contrast to: 与…相比；与…对照： a dress identical with the one her sister just bought. 和她姐姐刚买衣服同一款式 Having received: 收到,获得： With her permission, he left. I escaped with just a few bruises. 获得她允许后,他离开了.我逃跑时只受了一些擦伤 And; plus: 和；加上： My books, with my brother's, make a sizable library. We had turkey with all the trimmings. 我的书加上的弟弟的书能够办成一个不小的图书馆了；我们有火鸡和所需的调料 Inclusive of; including: 包括： comes to $29.95 with postage and handling. 包括邮资和手续费总共是29.95美元 In opposition to; against: 反对；对抗： wrestling with an opponent. 与对手摔跤 As a result or consequence of: 结果,后果： trembling with fear; sick with the flu. 害怕的发抖；感染了流行性感冒 So as to be touching or joined to: 加入,联合：为了取得联系；把…连起来： coupled the first car with the second; linked arms with their partners. 把第一辆汽车和第二辆配成双；与伙伴手挽手 So as to be free of or separated from: 分离,离开：为脱离,为与…分开： parted with her husband. 与她丈夫分手 In the course of: 在…的过程中： We grow older with the hours. 我们随时光流逝而长大 In proportion to: 与成比例： wines that improve with age. 酒越陈越香 In relationship to: 在…的关系中： at ease with my peers. 与我的同事关系融洽 As well as; in favorable comparison to: 也；较好： She could sing with the best of them. 她可以唱得同他们中最棒的人一起好 According to the experience or practice of: 根据经验,根据实践： With me, it is a question of priorities. 对我来说,这是个优先权的问题 Used as a function word to indicate close association: 用作功能词表示密切联系： With the advent of the rockets, the Space Age began. 随着火箭的出现,太空时代开始了 in with【非正式用语】 In league or association with: 同伙或有联系： He is in with the wrong crowd. 他找错了同伴 by的用法； 1）表示以一般的方法或方式.如： No one in those days could live by writing poems. （2）表示传达、传递的方式或煤介.如： How did you send the letter, by airmail or by ordinary mail? （3）表示用交通工具、通讯工具后接名词单数,不加冠词.如： He came by train, but his wife came by bus. 注意下面两句的区别： Did you come by train? Did you come in his car / on my bike? “by +抽象名词”构成的词组有：by accident / by chance / by diligence / by effort / by force / by heart / by luck / by mistake / by hard work. 将来完成时用来表示在将来某一时间以前已经完成或一直持续的动作.经常与before+将来时间或by+将来时间连用,也可与before或by the time引导的现在时的从句连用. 1) 构成will / be going to do sth. 2) 概念 a. 状态完成：表示某事继续到将来某一时为止一直有的状态. b. 动作完成：表示将来某一时或另一个将来的动作之前,已经完成的动作或一获得的经验. They will have been married for 20 years by then. You will have reached Shanghai by this time tomorrow. 将来完成时的构成 将来完成时的构成是由"shall/will + have +过去分词"构成的. Before long he will have forgotten all about the matter. 不久他就会全然忘记这件事的. He is somebody now. He will not have remembered his old classmates. 他现在是一个有身份的人了,他可能不会记得老同学了. Will you have known Kevin for 10 years next month? 到下个月你认识凯文该有10年了吧? 将来完成时的用法 ①表示在将来某一时间之前已完成的动作,并往往对将来某一时间产生影响. We shall have learned 12 units by the end of this term. 到这个学期末,我们将学完12个单元. By the time you get home I will have cleaned the house from top to bottom. 你到家之前我将把房子彻底打扫一遍.