参加各种活动的英语翻译是Participate in various activities.
participate的短语：
1、participate in(v. + prep.)
分担；参加share; take part in
2、They participate in the profits.他们分享利润。
3、Many more firms are participating in the growth of demand on the world markets.更多的公司分担了世界市场需求的增长。
participate的基本意思是”参加，参与”,一般指去参加较正式的"活动和庄重的场合， 参与或享有某事物的一部分，如一项事业、一次经历等。在现代英语中-般多用作不及物动词。
名词或代词作宾语。
participate也可常与介词in或with连用，这两种用法均属较正式的英语。
例句：
1、Everyone in the class is expected to participate in the discussion.希望全班同学参加讨论。
双语例句：
1、多次组织同学参加各种活动，有较强的组织能力。
Organize classmates to participate in various kinds of activities many times, have stronger ability to organize.
2、美国人最热衷于参加各种活动, 看看不胜枚举的各种组织就足以证明这一点.
Americans are great joiners, as the huge number of organizations available in the United States attests.
3、很多美国人担心，娱乐以及不停的参加各种活动，使他们几乎没有时间休息和思考。
Many Americans worry about leisure and hurry from one activity to the next, little time to stop and think.
4、We place special emphasis on the more efficient, economical, safer and faster modern services that participate in customers' marketing activities.
我们特别将重点放在更高效、经济、安全和快速的现代服务，以参与客户的市场营销活动。