请英语高手帮翻译以下句子？

做完数学作业，他就交了。（turn in)

我确信能实现我的梦想。（dream of)

请把通知看后传给其他人。（pass of)

我不明白是什么改变了我的生活。（have no idea)

做完数学作业，他就交了。（turn in)

He turned in his homework after he has finished.

我确信能实现我的梦想。（dream of)

I am sure that I could fulfill what I have dreamed of.

请把通知看后传给其他人。（pass of)

Please pass of the notice after reading.

我不明白是什么改变了我的生活。（have no idea)

I have no idea about what makes my life changed.

1,He turns in the malh Homework after finished it

2,I'm sure that I can realize my dreams ( of future).

3,Please pass of the notice to others after you read it.

4,I have no idea what has chaged my life.