be miles away
US /biː maɪlz əˈweɪ/
UK /biː maɪlz əˈweɪ/
1.
心不在焉, 思想开小差
to be thinking about something else and not paying attention to what is happening around you
:
•
I tried talking to him, but he was miles away.
我试着和他说话，但他心不在焉。
•
She must have been miles away, because she didn't hear a word I said.
她一定心不在焉，因为她一个字也没听进去。