ZH_zh_obs-tn/content/49/09.md

gave his only Son

This could also be translated as, "offered his only Son to the world as a sacrifice for sins" or, "gave us his only Son to be a sacrifice for our sins."

whoever believes

This could also be translated as, "anyone who believes."

whoever believes in Jesus will not be punished for his sins, but will live with God forever

This could also be translated as, "When anyone believes in Jesus, God will not punish that person for his sins, but will allow him to live with God forever."