悠然1968
join是“加入某个党派或社会团体，从而成为该党派或团体的一员”而join in意思是“参加某项运动或活动”，例如参加讨论、游行、罢工等。
“参加工作、会议”自然要在其中发挥作用,要以主人翁姿态,所以一般用take part in，attend主要指“到场”或“出席”等。participate是不及物动词,后接in,指参与活动并积极从事工作,是正式用语。
1、The island is joined to the mainland by a bridge.岛上有座桥与大陆相连。
2、The two estates join at the foot of the hill.这两处房地产在山脚下相毗连。
3、If you join the club, you must abide by its rules.你参加这个俱乐部就得遵守其规章。
4、He was asked many times to join the party, but he always kept his distance.人家好几次要他参加那个政党，但他的反应总是很冷淡。
5、He joined us in the discussion yesterday.他昨天参加了我们的讨论。
2、I hope that everyone will be able to join in the fun
我希望每个人都能够加入进来，玩得开心。
3、He started to sing and I joined in.
他开始唱起歌来，然后我也跟着唱起来。
4、You don't have to join in; there are more than enough people on the job already.
人够多了，您就不用插手了。
1、If you want knowledge, you must take part in the practice of changingreality.
你要有知识，你就得参加变革现实的实践。
2、You can take part in activities from canoeing to bird watching.
你可以参与从划独木舟到观鸟等各种活动。
3、Cadres have gone down to different grass-roots units to take part in manual labour.
干部们分别下基层参加劳动去了。
1、Thousands of people attended the funeral
数千人参加了葬礼。
2、They attended college together at the University of Pennsylvania.
他们一起就读于宾夕法尼亚大学。
3、The staff will helpfully attend to your needs
工作人员会帮忙满足您的需求。
1、They expected him to participate in the ceremony
他们希望他参加典礼。
2、Over half the population of this country participate in sport.
这个国家一半以上的人口参加体育锻炼。
3、He planned to participate in the demonstration, but then he got cold feet.
他打算参加示威，但后来临阵退缩了。
yy瘦胖纸
attend : 侧重参加或出席会议或学术活动等。
join: 普通用词，指加入党派、团体或游戏活动等。比如join the army就是参军
join in:意思是take part in (an activity) 参加（活动） 比如Can I join in (the game)? 我参加（这个游戏）行吗?
participate: 正式用词，特指参加团体活动，暗示以一个积极的角色参加。articipate in a competition, discussion, meeting 参加竞赛、 讨论、 会议。意思与take part in基本相同，但是participate后面要加ing.
take part in: 侧重参加某项群众性、集体性的事业、工作或活动，突出参加者在其中发挥一定的作用。比如take part in (an activity) 参加（活动）.
扩展资料：
参加 [ cān jiā ]
1.加入某种组织或某种活动：～工会。～会议。～选举。～绿化劳动。
2.提出（意见）：这件事儿，请你也～点儿意见。
黄陂跑跑
take part in take part in v. 参与, 参加 join [dVCin] vi. 参加, 结合, 加入 vt. 连接, 结合, 参加, 加入 n. 连接, 结合, 接合点 take part in参加(群众性活动、会议等)，往往指参加者持积极态度．起一份作用 加入某党派、某组织或某社会团体，用join
嗯哼，嗯哼
【attend,join,participate,take part in】这些动词或词组均含“参加,加入”之意.attend 侧重参加或出席会议或学术活动等.join 普通用词,指加入党派、团体或游戏活动等.participate 正式用词,特指参加团体活动,暗示以一个积极的角色参加.take part in 侧重参加某项群众性、集体性的事业、工作或活动,突出参加者在其中发挥一定的作用.参加vt. join ; attend词组： take part in ; participate in ; go in for ; enter into我们全体都参加了会议。We all attended the meeting.每个人都愿意参加这一活动。Everybody likes to join in this activity.如果你参加俱乐部，你就得遵守它的规章。If you join the club, you have to abide by its rules.我们热心参加这项运动。We entered into the sport with zest.他在南太平洋参加过战斗。He saw action in the South Pacific.她邀请我去参加她的聚会，可我却犹豫不决。She invited me to take part in her party but I hung off.他发电报要我去参加那个聚会。He telegraphed me to go to the party.在他参加拳击比赛期间，我一直是他的拳击指导。When he joined in the boxing I used to second him.你参加任何活动，你投入多少力量就会得到多少收获。When you take part in any performance, you get out as much as you put in.参加比赛并赢得胜利。Go in and win.他抑制住想参加新的冒险的冲动。He tamed the urge to participate in the new venture.他在她去参加晚会的路上突然把她带走了。He whipped her away on her way to a party.村里的所有年轻男子都参加了战斗。Every young man in the village joined the battle.别让她参加咱们的活动，女人会给咱们带来厄运的。Don't let her join us, who will hex us as a female.没有知识分子的参加，实现四化是不可能的。Without the participation of intellectuals, the realization of the four modernizationsis impossible.参加这样一个伟大的、有历史意义的运动的机会真是千载难逢。The chance to partake in such a great historic movement doesn't come every day.所有的教师都参加孩子们的游戏。All the teachers participated in the children's games.我与总经理打电话联系过了，他说他会来参加会议。I've been onto the general manager,he said he would attend the meeting.我们盥洗打扮了一番再去参加舞会。We freshened up before going to the party.他们飞往那里以便能及时参加开幕典礼。They flew there in order that they might be in time to attend the opening ceremony.我们最好按照他们会积极参加做准备。We had better calculate on their active participation.她拉过一把椅子，坐到桌旁参加讨论。She pulled up a chair to the table and joined in the discussion.在参加考试前，请先学习一下考试规则。Please read up the examination regulations before you take part in the examination.你说过愿来参加我们的晚会，请不要让我们失望。You said you would come to our party;do not disappoint us.请把我也算入这项计划的参加者。Please count me in on this project.你为什么非得参加我们碰巧路过的每条街上的巷战不可?Why do you have to pile in every street fight that we happen to pass?游戏开始时我就参加进去了。I dived in when the game started.他抛弃了他的愚蠢观念并参加到我们方面来。He doffed his stupid ideas and joined our side.下个星期我得参加一次考试，所以我得埋头把功课学好。I have to take an examination next week, so I must soak myself in the books.他们选举他代表他们市去参加代表大会。They have delegated him to represent their city at the convention.
