It has been alleged that the congressman received a secret payoff from an arms dealer.据称这位国会议员从一位军火商那里秘密收受了贿赂。He has been mixed up in several shady deals with arms dealers.他卷入了几宗与军火商的地下交易。Senators are demanding to know whether the vice-president is in any way connected with the arms suppliers.参议员要求知道副总统是否与军火商有联系。