When something has a knock-on effect, it starts a chain: one thing happens, that makes the next thing happen, and that makes the next thing happen, and so on.

When something has當某件事有 a knock-on effectknock-on effect（連鎖效應）時, it starts a chain它會引發一連串反應: one thing happens一件事發生了, that makes the next thing happen讓下一件事跟著發生, and而 that makes the next thing happen又讓再下一件事發生, and so on就這樣一直下去。

You hear this a lot in British English, especially in the news, in sport reports, and at work.

You hear this你會聽到這個 a lot常常 in British English在英式英文裡, especially尤其是 in the news在新聞裡、in sport reports體育報導裡, and at work還有在職場上。

A late train can have a knock-on effect on every train behind it. A pay cut in one shop can have a knock-on effect on other shops nearby.

A late train一班誤點的火車 can have可能會 on every train behind it對後面每一班車 a knock-on effect造成連鎖效應。A pay cut一次減薪 in one shop在一家店裡 can have可能會 on other shops nearby對附近其他店家 a knock-on effect造成連鎖效應。

People almost always put knock-on in front of effect or consequence; you do not often hear the word standing alone.

People almost always大家幾乎都 put knock-on把knock-on放 in front of effect or consequence在effect或consequence前面; you do not often hear很少聽到 the word standing alone這個字單獨出現。

It is not a hard hit with the hand. The picture is one knock passing on to the next thing.

It is not它指的不是 a hard hit with the hand用手用力打一下。The picture它的畫面 is是 one knock一個敲擊 passing on to the next thing傳給下一個東西。

It feels like grown-up talk, but it is not fancy.

It feels它聽起來 like grown-up talk像大人講的話, but但 it is not fancy並不是什麼花俏的詞。