Rain not falling for a long time is spoken of as if Yahweh had told a person to come and make the land dry. Alternate translation: "I have kept the rain from falling on the land" (See: [[rc://en/ta/man/translate/figs-personification]])
The abstract noun "labor" can be translated using the phrase "work hard." The labor that the hands perform is a metonym for the things that the labor produces. The hand is a metonym for the person. Alternate translation: "everything you have worked hard to make" (See: [[rc://en/ta/man/translate/figs-abstractnouns]] and [[rc://en/ta/man/translate/figs-metonymy]])