"Right hand of God" here is an idiom that means that Christ will rule as God, with God’s authority. AT: "Christ is in the position of God." (See: [[rc://en/ta/man/translate/figs-idiom]])
Here the words "poured out" mean that Jesus, who is God, made these events to happen. It is implicit that he does this by giving the Holy Spirit to the believers. AT: "he has caused to happen these things that" (See: [[rc://en/ta/man/translate/figs-idiom]] and [[rc://en/ta/man/translate/figs-explicit]])
Here the words "pour out" mean to give generously and abundantly. See how you translated a similar phrase in [Acts 2:17](./16.md). AT: "given abundantly" (See: [[rc://en/ta/man/translate/figs-idiom]])