鹰击长空

the eagle soars in the sky (citation from Mao Zedong)

length / long / forever / always / constantly

chief / head / elder / to grow / to develop / to increase / to enhance

empty / air / sky / in vain

to empty / vacant / unoccupied / space / leisure / free time

to hit / to strike / to break / Taiwan pr. [ji2]

eagle / falcon / hawk

(literary) the vast sky / (finance) eventual downturn / poor prospects in the long term