多瑙河上的失误
blood on the carpet───地毯上有血迹
finger on the pulse───手指按脉搏
order of the day───议事日程;流行的事物;当日命令
order of the days───议事日程;流行的事物;当日命令
underline the dangers───强调危险
understand the meaning───明白意思
undo the damage───解除损坏