隔空喊話

to converse with sb by shouting from some distance away / (fig.) to say sth intended for the ears of sb who is not in one's presence (often, by making a public statement or by posting online)

to separate / to partition / to stand or lie between / at a distance from / after or at an interval of

from a distance; through the air; remotely (esp. by means of telekinesis, magic, technology etc)

empty / air / sky / in vain

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

idle clamor / to prattle

to yell / to shout / to call out for (a person)

to speak using a loud voice or megaphone etc / (fig.) to convey a strong message

dialect / language / spoken words / speech / talk / words / conversation / what sb said / CL:種|种[zhong3],席[xi2],句[ju4],口[kou3],番[fan1]