intervene

干涉，干预英释vvto become involved in an argument, fight, or other difficult situation in order to change what happens

1 intervene in,干预；插手；调停

1 The army will have to intervene to prevent further fighting..军队将不得不干预以阻止进一步的战斗。

2 The police don’t usually like to intervene in disputes between husbands and wives..警方通常不愿意介入夫妻之间的争吵。