interfere

interfere, intervene, meddle

这些动词均含“干涉，干预”之意。
interfere: 侧重指无权或未获允许而妨碍、阻扰、干涉他人之事。
intervene: 书面用词，指介入争端，进行调停，也指干涉他人之事。
meddle: 指干预与自己毫不相关的事或不属于自己职责范围的事，隐含未经许可或授权。可与interfere换用。

动词 interfere:

1. come between so as to be hindrance or obstacle
2. get involved, so as to alter or hinder an action, or through force or threat of force
   同义词：intervene, step in, interpose

1. He tries not to let (his) business interfere with his home life.
   他尽量不让日常工作妨碍他的家庭生活。
2. Don't interfere with my business.
   不要干涉我的事情。
3. I'll go tomorrow if nothing interferes.
   如果没有其他的事，我明天去。

in.ter.fere

v.intr.（不及物动词）
in.ter.fered,in.ter.fer.ing,in.ter.feres
To come between so as to be a hindrance or an obstacle:
妨碍：插入以阻碍或妨碍：
例句：
loud talking that interfered with the other patrons` conversations; assistance that only interfered.
影响其他主顾交谈的大声谈话；越帮越忙

Sports To perform an act of interference.
【体育运动】 掩护，阻挡：进行阻挡的行为
To intervene or intrude in the affairs of others; meddle.
介入，干涉：插入或介入他人的事；干涉
To strike one hoof against the opposite hoof or leg while moving. Used of a horse.
绊脚，相碰撞：一只蹄同相对的另一只蹄或腿之间相互碰撞。用于指马
Physics Electronics To cause interference.
【物理学】 【电子学】 产生干扰

来源：
Middle English enterferen
中古英语 enterferen
from Old French s`entreferer [to strike one another]
源自 古法语 s`entreferer [互相碰撞]
entre- [between] from Latin inter- * see inter-
entre- [在…之间] 源自 拉丁语 inter- *参见 inter-
ferir [to strike] from Latin ferore
ferir [碰] 源自 拉丁语 ferore

【引伸】
in.terfer.er
n.（名词）
in.terfer.ingly
adv.（副词）
<参考词汇><同义词>interfere,meddle,tamperThese verbs are compared as they mean to put oneself forward and intervene in the affairs of others when unasked to do so and often in an impudent or indiscreet manner.
当这些动词指某人未经要求就介入或插手别人的事，并且通常是以一种鲁莽或不礼貌的方式时对他们加以比较。
Interfere andmeddle are sometimes interchangeable. Meddle, however, is the stronger in implying unwanted, unwarranted, or unnecessary intrusion:
Interfere 和meddle 有时可互换。 但是meddle 在指不必要的、无正当理由的或非必需的介入时语气较强：
例句：
.wholly unacquainted with the world in which they are so fond of meddling. (Edmund Burke).It is somewhat weaker thaninterfere in implying action that seriously hampers, hinders, or frustrates:
.对他们如此喜欢干预的世界一无所知. （埃德豪·伯克）。在指严重的牵制、阻碍或阻挠的行为时比interfere 要弱：

例句：
.It was his peculiar doctrine that a man has a perfect right to interfere by force with the slaveholder, in order to rescue the slave. (Henry David Thoreau).Totamper is to interfere by making unsought, unwelcome, often destructive changes or by trying to influence another in an improper way:
.他有一个奇特的宗旨，即为了解救奴隶，一个人有绝对权利以武力来干涉奴隶主. （亨利·戴维·梭罗）。tamper 是通过造成未经请求的、不受欢迎、经常为毁坏性的变化或试图通过不恰当的方式影响他人来进行干涉：

例句：
.a large number of persons accused of . . . tampering with ballot boxes. (James Bryce).
.一大群被指控为…破坏投票箱的人. （吉姆斯·布赖斯）。

例句：
.He began another practice, to tamper with the justices. (John Strype).
他着手另一项活动，去干预公正。. （约翰·斯特赖普）