H-14：have one's head in the clouds 心不在焉
A:Bob, what are you thinking?
A:鲍勃，你在想什么？
B:Nothing, sir.
B:没什么，先生。
A:Don't always have your head in the clouds when you're having a class. Remember?
A:上课的时候别总是心不在焉，记住了吗？
B:Yes, sir.
B:记住了，先生。
