/,ɪntə'vi:n; ,ɪntɚ`vin/
v (fml 文)
1 [I] (of time) come or be between （指时间）进入, 介入, 在其间
*during the years that intervened 这期间的若干年里.
2 [I] (of events, circumstances) happen in such a way as to hinder or prevent sth from being done （指事情、情形）发生（以致阻碍某事）
*I will come if nothing intervenes. 假若没有别的事, 我一定来.
* We should have finished harvesting, but a storm intervened. 我们本可以收割完, 但却遇上了暴风雨.
3 [I, Ipr] ~ (in sth/between A and B) (of people) interfere so as to prevent sth happening or to change the result （指人）干涉, 干预, 调停, 调解, 斡旋
*When rioting broke out, the police were obliged to intervene. 暴乱发生时, 警察有责任干预.
* intervene in a dispute, quarrel, etc 调解纠纷、争吵等
* intervene between two people who are quarrelling 在吵架的两人间作调解
* I intervened on her behalf to try and get the decision changed. 我为她力争以求改变决定.

v
[Date: 1500-1600; Language: Latin;Origin: intervenire, from venire 'to come']
[I]
to become involved in an argument, fight, or other difficult situation in order to change what happens
intervene in
　The police don't usually like to intervene in disputes between husbands and wives.
　The army will have to intervene to prevent further fighting.
[I and T]
to interrupt someone when they are speaking
　'Stop shouting, Emily,' John intervened.
[I]
if an event intervenes, it delays or interrupts something else
　He was just establishing his career when the war intervened.
[I]
if a period of time intervenes, it comes between two events
　In the six years that intervened I saw them once.