第一，情景對話

A: Bob, what are you thinking?

鮑勃，你在想什么？

B: Nothing, sir.

沒什么，先生。

A: Don't always have your head in the clouds when you're having a class. Remember?

上課的時候別總是心不在焉，記住了嗎？

B: Yes, sir.

記住了，先生。

第二，詞海拾貝

have one’s head in the clouds

exp. To be unaware of what is going on from fantasies or daydreams. （想入非非，心不在焉）

e.g. He has his head in the clouds while the rest of us are trying to figure out how to fix this!

當我們其他人都在設法解決這個問題的時候，他卻心不在焉。

e.g. My daughter always has her head in the clouds as she walks home from school.

我女兒放學回家的時候總是心不在焉的。

e.g. She walks around all day with her head in the clouds. She must be in love.

她整天都在走來走去，心不在焉的。她一定是戀愛了。

第三，語匯積累

have a class：上課

e.g. I've got to hang up now. I have a class.

我現在得掛斷了。我有課。

e.g. I am afraid I must go now. I have a class at ten .

我得走了，我10點有課。