risk it碰运气riskn.危险；风险；投资报酬的风险vt.冒 ... 的危险；承受...的风险risk pre-control management风险预控管理Risk inspection in water area水域风险排查risk of heavy metal pollution重金属污染风险risk factors assessment scale危险因素评估量表risk of contingent import duty进口关税险risk management/ assessment风险管理/评估Risk factors for typhoid fever伤寒危险因素risk and trust balancing model风险信任平衡模型risk of merger and acquisition并购风险risk of charge for electricity电费风险