13.to take to the floor(在舞会或舞厅)开始跳舞
The happy couple and their respective parents took to the floor.那幸福的一对儿及各自的父母都跳起舞来。
14.through the floor
prices, sales +猛地;骤然
Property prices have dropped through the floor.房地产价格已经大幅下降。
Last year, sales went through the floor.去年销售额骤降。