"not real," late 14c., ymaginaire, from imagine + -ary; or else from Late Latin imaginarius "seeming, fancied," from imaginari. Imaginary friend (one who does not exist) attested by 1789.
实用例句
1. One of the most common symptoms of schizophrenia is hearing imaginary voices.
精神分裂症的最常见的一个症状就是幻听。
来自柯林斯例句
2. The equator is an imaginary line around the middle of the earth.