柯林斯词典falling-off 1. N-SING If there is a falling-off of an activity, there is a decrease in its amount or intensity. (数量)下降; (强度)减退[N 'of/in' n] There has been a falling-off in box office income and other earnings. 票房收入和其他进项已经有所下降。 返回 falling-off剑桥词典the fact of a rate , amount , or quantity becoming smaller or lower （数量）减少；（比率）下降；（质量）降低 Hotels have recorded a falling-off in reservations this summer . 旅馆记录显示今夏预订率下降了。 返回 falling-off