隔空喊話

1. • to converse with sb by shouting from some distance away
2. • 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)

     fig.

Character by character

• 隔(gé)separate
• 空(kōng)empty
• 喊(hǎn)yell
• 話(huà)dialect