in spirit
inwardly；in one's thoughts or imagination在精神上或思想上
I in spirit flew into the sky．我在想象中飞入了天空。
I am beside you in spirit．我在想象中在你身旁。
My friend couldn't come to my birthday party， but she said she would be there in spirit．我朋友不能来参加我的生日宴会，但她说她在想象中将和我们在一起。