have your head in the clouds

Значение

to be dreamy and not think about practical things

Мечтать и не думать о практических делах.

Примеры

1. 1Ben has his head in the clouds; he forgot his own dentist appointment again.
2. 2My sister always had her head in the clouds at school, drawing dragons instead of doing maths.
3. 3Tom has his head in the clouds if he thinks he can redecorate the whole house in a weekend.
4. 4Aisha had her head in the clouds all through the meeting and couldn't answer a single question.
5. 5Does your son always have his head in the clouds? He's been staring out of the window all lesson.

Грамматика

have и your меняются по подлежащему: has, had; my, her, their. clouds — всегда во множественном числе. Есть и вариант with your head in the clouds.