1. Please double-check your essay for any misspellings before submitting it.
在提交之前，请仔细检查你的论文是否有拼写错误。
2. I noticed a few misspellings in your email, so I thought I would point them out.
我注意到你的电子邮件中有几个拼写错误，所以我想指出来。