急!!!求翻译

您好，很高兴为您解答
1, since you already know the result, I need not to repeat
2,We got to the station, the train left
3,Until you teach me to sing this song singer, I just know the beauty of music
4，The next bus this morning Peter when leg is injured
5，Since last month, he left until now, I have not seen him
6，If he doesn't want to come to help us, we should do
7，Soon you will what you do you regret
8，As the weather gets colder, get up gradually becomes more difficult
9，Yesterday and I speak to the old man is a scientist
10，These books are written to mother tongue is not English students to watch