severe knock的意思|示意

Most of the time, we can knock it out within a day and it never develops into anything more severe.

大多数情况下，使用一天就会好，至少症状不会再加重。

So widely were these silver coins used that interruptions in the production of silver in Mexico and Peru had a severe knock-on effect.

它们的使用相当广泛，以至于墨西哥和秘鲁白银生产中断，都会对其造成影响。