have no illusions about

I have no illusions about his ability; he is just no good.

我对他的能力并不存在幻想; 他不怎么样.

I have no illusions about his abillty.

我对他的能力不存幻想.

It is a symbiotic relationship and one should have no illusions about how hard it is to do the former without the latter.

两者之间是一种共生关系，没有后者，前者就难以进行，在这一点上不该抱有任何幻想。

I have no illusions about my mother. She is a kind, loving, religiously fanatical rightwing Texan with a slightly out of scale head and a mild Dr. Pepper addiction.

无所谓我对我妈又没有幻想她是一个善良慈爱头部稍微有点大的对“乐倍”饮料轻微上瘾和对宗教狂热的右翼德克萨斯州人。

I have no illusions about his ability.

我对他的能力不抱任何幻想.