你好 hello my first entry

This is corrected from the tone and intent of your English.  A vast difference from your original.  Google is great at short and simple structured sentences.  Anything else, take it with a grain of salt.

我用谷歌來翻译我的第一次写的个项目. 我有我在周星期一是我的第一课，我希望我中文水準不是太差可怕了，而不会領老师对我有不会感到失望 :) ，我大声笑。祝我好运吧，请:) i have used google translate for my first entry,i have my first lesson on monday,i hope i am not too dreadful and the teacher does not get frustrated with me lol. wish me luck please :)

你好 hello my first entry

我用谷歌翻译我的第一个项目，我在周一上第一课，我希望我不是太可怕，老师不会对我感到失望，(大声笑) 。祝我好运吧:)

上课: going to a lesson/ having a lesson

For a first timer, this is actually quite good! Keep it up mate.

你好 hello my first entry

我用谷歌翻译我的第一个项目，我有我在周一有我的第一课，我希望我（的表现）不是 不会太可怕 太糟糕了，老师不会感到失望，我大声笑。请祝我好运吧，请:)

（If you are not sure which Chinese character to use,you'd better give the english meaning behind every sentence so that people can get your meaning correctly and use the correct Chinese character.）

Goodjob :)

你好 hello my first entry

我用谷歌翻译我的第一个项目，我有我在周一的有第一课，我希望我不是太可怕了差，老师不会感到失望，我大声笑。请祝我好运，请:)

你好 hello my first entry

我要用谷歌翻译我的第一个项目，在周一有我的第一课，希望我不会太差而让老师感到失望，哈哈。祝我好运，开心每一天！