en_tn/rev/11/06.md

to close up the sky so that no rain will fall

John speaks of the sky as if it had a door that can be opened to let rain fall or closed to stop the rain. Alternate translation: "to keep rain from falling from the sky" (See: rc://en/ta/man/translate/figs-metaphor)

the days that they prophesy

"the time that they prophesy." The word "days" here can refer to weeks, months, or years.

to turn

"to change"

to strike the earth with every kind of plague

John speaks of the plagues as if they were a stick that someone could hit the earth with. Alternate translation: "to cause all kinds of trouble to occur on earth" (See: rc://en/ta/man/translate/figs-metaphor)