不会说英语的表达有以下几种：

I can't speak English.

I can not speak English very well.

I'm not good at English.

I don't speak English.

I am poor in English.

I don't understand English.

I know nothing about English.

这些表达都可以用来表示一个人不会说英语。根据具体的语境和需要，可以选择最合适的表达方式。