勾结: collude with; play footsie (with); in league with; be hand and glove with; collaborate with; gang up with 短语和例子与 ...相勾结 in collusion with...; 勾结成一伙来对付某人 gang up against [on] sb.; 既勾结又争夺 at
寡头: oligarch 短语和例子金融寡头 financial oligarchy; financial magnates; 寡头垄断 oligopoly; 寡头政治 oligarchy; a form of government in which supreme power is restricted to a few
内外勾结: collusion between the enemies within and without
互相勾结: play into each other's hands; work hand and glove with each other; act in collusion
