wèile / bǎozhù / dìngdān / tā / mèixīn / de / yǐnmán / le / chǎnpǐn / cúnzài / de / ānquán / wèntí为了保住订单,他昧心地隐瞒了产品存在的安全问题。To keep the order, he went against his conscience and concealed the product's safety problems.