请英语专家帮忙！！！想给在国外的朋友写信，可英语又不过关，请帮忙
想给在国外的朋友写信，可英语又不过关，请帮忙！中文如下：知道你在那里过的很开心，我和你老姐都很放心！希望你能利用这次的机会，多增长见识，多学习。我和我的全家都会想念你（还有的小侄女儿）！
I'm very happy to know you are having a good time there, and your sister and I won't worry about any more.Don't lose the chance of being abroard and try your best to learn sth about the world. My family and I miss you so much including your little nicec.