Nothing can undermine their fast friendship.没有什么能破坏他们忠实的友谊。Rivers undermine their banks.河水冲刷堤基.These incidents could seriously undermine support for the police.这些事件会严重影响对警方的支持。I don't want to do something that would...
His prose is vigorous and dense, occasionally to the point of obscurity.他的散文文笔有力、内容庞杂，有时几近晦涩。He collapsed following a vigorous exercise session at his home.在家剧烈运动了一阵后他突然昏倒了。More vigorous action is needed to force the fed...