请帮忙翻译一下。中译英语

Question

对不起。没高分。 因为分数是0~ 有哪个好心的大姐姐大哥哥帮帮?
请不要用翻印网和翻译软件翻译..
翻译内容：
1：我发现用英语写信很难
2：她每天做大量运动，以便保持苗条
3：嘲笑别人是不礼貌的
4：直到昨天我们才注意到这件事
5：他向他们提出了一些很好的建议

Answer 1

1：我发现用英语写信很难
I discovered that writes a letter very difficult with English
2：她每天做大量运动，以便保持苗条
She makes the massive movements every day, with the aim of maintaining slender
3：嘲笑别人是不礼貌的
Ridicules others not politeness
4：直到昨天我们才注意到这件事
Until yesterday, we note that this matter
5：他向他们提出了一些很好的建议
He put forward some very good proposal to them

Answer 2

1\I found it difficult to write letters in English.
2\She exercises a lot every day to keep slim.
3\It's not polite to laugh at others.
4\I hadn't notice this thing until yesterday.
5\He gived some good advice to them.

Answer 3

1：我发现用英语写信很难
I find it hard to write letters in English.
2：她每天做大量运动，以便保持苗条
She exercises a lot everyday to keep slim.
3：嘲笑别人是不礼貌的
It's impolite to laugh at others.
4：直到昨天我们才注意到这件事
It was not until yesterday that we have noticed this matter.
5：他向他们提出了一些很好的建议
He brought forward some good advice to them.

Answer 4

1) I found that it was difficult to write letters in English.
2) She does a lot of exercises to keep slim.
3) It is impolite to laughing others.
4) I didn't noticed it until yesterday.
5) He made some good suggestions for them.