fabricate; make up sth out of one’s head ? 作家必須深入實際，深入群眾，～是寫不出好作品的。Writers should go deep into the realities of life and immerse themselves among the masses,because they can not write anything good just out of their own heads.
向壁虛構(gòu)
make up out of one’s head;fabricate 那全是～的。That is sheer fabrication (or imagination)./～的友誼friendship based on fiction;unreal friendship
向壁虛構(gòu)xiànɡ bì xū ɡòu
向著墻壁憑空虛構(gòu)出來。比喻憑空捏造。fabricate, make up out of one’s head, create out of nothing