虚像

虚像	xū xiàng	virtual image
虚	xū	emptiness / void / abstract theory or guiding principles / empty or unoccupied / diffident or timid / false / humble or modest / (of health) weak / virtual / in vain
像	xiàng	to resemble / to be like / to look as if / such as / appearance / image / portrait / image under a mapping (math.)