Senses
虚数/ 虛數 imaginary number
In mathematics, the square root of a negative number; any number that is not a real number.
虚数/ 虛數 unreliable figure
An untrue or inflated number; a count that does not reflect reality.
虚数/ 虛數 figurative number
A number used in literature or common idioms to represent 'many' or 'several' rather than a precise count, such as the use of 'nine' in 'nine lives'.