grammatical
adj
of, about or in accordance with the rules of grammar 语法的; 符合语法规则的
a grammatical treatise 语法论文
a grammatical error 语法错误
That sentence is not grammatical. 那个句子语法不通.
That sounds very interesting! I'll buy some frozen peas at the supermarket on my way home.
听起来很有趣!我回家时在超级市场买些冻豌豆。
I've been working at a meat factory for about two months now.
大约两个月来,我一直在一家肉厂干活。
I am sorry that you have a disagreement with your father. Personally, I think it is important to follow your interests and your abilities, and it sounds as though you have plenty of both of these already.