kick in

基本解釋

Sarah: OK. What if my nerves kick in? What should I do?
薩拉：好的。要是我突然緊張了呢？我該怎么做呢？
Besides, knowing that we are not alone just might be the kick in the pants we need to grow up as a species.
此外，知道我們并不是孤獨(dú)的大概會(huì)成為我們作為一個(gè)物種成長過程中所解不開的心結(jié)吧。
Yet they still appear to believe that the economy will miraculously recover in the second or third quarter, which is when their stimulus packages will kick in.
然而他們似乎依然相信，經(jīng)濟(jì)將在第二或第三季度奇跡般地好轉(zhuǎn)，也就是他們的經(jīng)濟(jì)刺激方案開始生效的時(shí)候。

With only six minutes left in regulation time, Lucio headed a corner kick into the goal and Brazil took the lead.
So, empathy, caring, sympathy don't kick in, but instead there's the aggression unleashed at somebody and there has to be some level of surprise.
所以移情，關(guān)懷，同情沒有發(fā)揮作用，反而是釋放了別人的侵略情緒,還必須在一定程度上出人意料。
耶魯公開課 - 心理學(xué)導(dǎo)論課程節(jié)選
In its closing stretches, some fairly unusual biological processes kick in.
在它的末期,一些異常的生物學(xué)過程介入
耶魯公開課 - 死亡課程節(jié)選

Nothing happens until January 2013, when across-the-board cuts in most spending are scheduled to kick in.
FORBES: Super Failure: Debt Impasse is no Surprise, but Still Scary