If you ~ a plan or idea, you work it out or create it in your mind.
I dreamed up a plan to solve both problems at once...
His son hadn’t dreamed it up.
PHRASAL VERB: V P n (not pron), V n P
If you ~ a plan or idea, you work it out or create it in your mind.
I dreamed up a plan to solve both problems at once...
His son hadn’t dreamed it up.
PHRASAL VERB: V P n (not pron), V n P
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012