adj.不符合语法的,违反语法规则的;
例句:
Some films have strange names and ungrammatical structures.
一些电影名字奇怪,语法结构混乱.
Too many ungrammatical expressions are used.
使用许多不合语法的表达法.
The essay is ungrammatical and incoherent.
文章写得文理不通.