虛構

to make up / fabrication / fictional / imaginary

emptiness / void / abstract theory or guiding principles / empty or unoccupied / diffident or timid / false / humble or modest / (of health) weak / virtual / in vain

to construct / to form / to make up / to compose / literary composition / paper mulberry (Broussonetia papyrifera)

fiction

facing a wall, an imaginary construction (idiom); baseless fabrication