空無一人

not a soul in sight (idiom)

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

person; people / CL:個|个[ge4],位[wei4]

empty / air / sky / in vain

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

not to have / no / none / not / to lack / un- / -less