长空

长空	cháng kōng	(literary) the vast sky / (finance) eventual downturn / poor prospects in the long term
长	cháng	long / (bound form) length / (bound form) strong point; forte / (bound form) to be good at / (literary) surplus; spare (Taiwan pr. [zhang4])
长	zhǎng	chief / head / elder / to grow / to develop / to increase / to enhance
空	kōng	empty / air / sky / in vain
空	kòng	to empty / vacant / unoccupied / space / leisure / free time