interfere, intervene, meddle

動詞 intervene:

1. get involved, so as to alter or hinder an action, or through force or threat of force
   同義詞：step in, interfere, interpose
2. be placed or located between other things or extend between spaces and events
3. occur between other event or between certain points of time

1. I am powerless to intervene in the matter.
   我對調(diào)停此事無能為力。
2. I intervened on her behalf to try to get the decision changed.
   我為她力爭，以求改變決定。
3. I will come if nothing intervenes.
   假若沒有別的事，我一定來。
4. I was alone during intervening years.
   這期間的若干年里，我一直一個人。

in.ter.vene

v.intr.（不及物動詞）
in.ter.vened,in.ter.ven.ing,in.ter.venes
To come, appear, or lie between two things:
插進：來到、出現(xiàn)于或位于兩個物體之間：
例句：
You can`t see the lake from there because the house intervenes.
在那兒你無法看到湖，因為有房子介于其間

To come or occur between two periods or points of time:
發(fā)生于其間：來到或發(fā)生于兩段時間或兩個時間點之間：
例句：
A year intervened between the two dynasties.
兩個朝代之間隔了一年

To occur as an extraneous or unplanned circumstance:
干擾：作為一無關(guān)的或計劃外的情形發(fā)生：
例句：
He would have his degree by now if his laziness hadn`t intervened.
如果不是他的懶惰干擾的話，現(xiàn)在他已經(jīng)獲得學(xué)位了

To come in or between so as to hinder or alter an action:
斡旋：來到…中間或以阻礙或改變一行動：
例句：
intervened to prevent a fight.
調(diào)停以防止打架

To interfere, usually through force or threat of force, in the affairs of another nation.
干涉：干涉他國事務(wù)，通常以武力或威脅手段
Law To enter into a suit as a third party for one`s own interests.
【法律】 參加訴訟：出于自己的利益參加訴訟

來源：
Latin intervenore
拉丁語 intervenore
inter- [inter-]
inter- [前綴，表.在…之間.]
venore [to come] * see g w3-
venore [來到] *參見 g w3-

【引伸】
in.terve.nor 或
in.terven.er
n.（名詞）
in.terven.tion
in.terven.tional
adj.（形容詞）