grammar 语法 eg:To learn grammar well is very important. 把语法学好是很重要的. meaning 意思 eg:The meaning of the setence is very easy to understand. 这句话的意思很好理解. punctuation 标点 eg:His letter was completely without punctuation. 他的信中一个标点也没有. spelling 拼写 eg:Your spelling mistakes are really very serious. 你的拼写错误真的很严重. translation 翻译 eg:The children do one French translation a week. 孩子们一星期做一次法语翻译.