conjure up
US /ˈkʌn.dʒər ʌp/
UK /ˈkʌn.dʒər ʌp/

1.
变出, 想象出
to make something appear as if by magic
:
•
The magician managed to conjure up a dove from his hat.
魔术师成功地从帽子里变出一只鸽子。
•
She tried to conjure up an image of her grandmother's face.
她试图想象出祖母的脸。