intrude: suggests rudeness or officiousness in invading another's property, time, or privacy: didn't mean to ~ upon the family's private gathering.    officious管闲事指手画脚, 表示给人不欢迎令人反感的帮助建议，如孩子指责父母officious


obtrude: may imply the mere fact of pushing something into view, or it may stress the impropriety or offensiveness of the intrusion: hesitant about ~ing her opinions when they were not welcome.     注意不要写成"obstrude"


interlope: implies placing oneself in a position that has injurious or adverse consequences: ~ing nouveaux riches who don't belong in the club.   （adverse不利的反对的逆风的，如such birds are experts of flight even when the wind is adverse即使是逆风，这种鸟也飞行自如）


butt in: implies an abrupt or offensive intrusion lacking in ceremony, propriety, or decent restraint: in-laws who ~ and tell newlyweds what to do.   propriety礼节,表示人为设定的言行标准


intrude闯入: 表示粗鲁无理地侵犯他人财产时间隐私，obtrude突出或闯入: 可以仅表示突显，或表示闯入，interlope闯入: 指造成损害不利，butt in闯入:  表示唐突冒犯地闯入，缺乏礼仪礼节克制


记忆方法: 1）首字母IOIB我的生平<==闯入   "闯"的本义是"马出门的样子"，指"一种突然而猛烈的动作"，如突然入席叫闯席，突然进入叫闯入，如闯劲闯王；引申为"奔走、闯练"，如在外浪游叫闯荡江湖，如闯关东闯世界。还表示"开创或招致"，如闯牌子闯前途闯祸

         2）闯入的意思是无理进入mean to thrust oneself or something in without invitation or authorization.