When I failed my mock exam it was a real wake-up call. From then on I studied and revised hard. 请注意 如果你突然发现什么不好的事情已经发生了或者正在进行中，这种情况可以用“wake up to the fact”来表达，意思是觉醒、醒悟过来。 例句 ...

The inventor’s new machine helped him break into the US market. 这位发明家的新机器帮助他打入了美国市场。 The company’s attempt to break into the mobile phone market failed after their product sold badly.