wake up的意思是醒醒;醒来;唤醒;弄醒;激起;唤起。例如:A:Wake up, Mum! Smoke! There is a fire in the kitchen. A:醒醒,妈妈!有烟!厨房里着火了。woke up的意思是醒来;开始警觉;开始了解真相。例如:When John woke up and found you gone he went crazy.