Part 1. Definition
You are given a sentence in Portuguese. Your job is to translate the Portuguese sentence into English.
Part 2. Example
Os astrónomos acreditam que cada estrela da galáxia tem um planeta, e especulam que até um quinto deles tem um planeta do tipo da Terra que poderá ter vida, mas ainda não vimos nenhum deles.
Answer: Astronomers now believe that every star in the galaxy has a planet, and they speculate that up to one fifth of them have an Earth-like planet that might be able to harbor life, but we haven't seen any of them.
Explanation: The Portugese sentence is correctly translated into English, because the meaning is preserved.
Part 3. Exercise
Existe, obviamente, uma história por detrás da crença e mandamentos morais-chave do Judeísmo para emendar o mundo - tikkun olam
Answer:
There is, of course, a story behind the key moral longing and commandment of Judaism to repair the world — tikkun olam.