He always has his head in the clouds, unrealistic.

他总是天马行空，不切实际。

He had his head in the clouds during the meeting and didn't offer any practical suggestions.

他在会议上天马行空，没有提出任何实际的建议。

Finished, then shook his head in the clouds into .

说完，便摇着头倏地钻进了云层里。

Sometimes a person with his head in the clouds can be brought back to reality.

有时脑袋跑到九霄云外的人可以被拉回到现实中.

Someone with his head in the clouds is a person whose mind is not on what is happening in real life. Such a person may be called a daydreamer.

某个思想开小差的人，会不介意现实生活里发生的事情，这样的人可能被人们叫做“空想家”。