费俊龙高中好吗:什么是 have his head in the clouds ?

什么是 have his head in the clouds ? driving his head back 是什么意思 I doubt whether i will come to his speech next time. It couldn't have been _____ in fact with his head over the hold 是什么意思? he shook his head为什么一定要加his I am over my head he stood on his head and sang songs count off the seconds in his head 是什么意思呢? I love his every songs I have a dream