without exception to my knowledge包括两个结构：without exception 和 to my knowledge。

1. without exception：无一例外，一律，统统。如：

You must report here every Tuesday without exception. 你每个星期二都必须来这里报告，不可以有例外。

All students without exception must take the English examination. 所有学生都必须参加英语考试，无一例外。

The vehicles are without exception old, rusty and dented. 那些车辆一律都很破旧，锈迹斑斑，布满凹痕。

Almost without exception these women fall victim to exploitation. 几乎毫无例外这些女人都成为了剥削的牺牲品。

2. to my knowledge 所我所知。如：

Alec never carried a gun to my knowledge. 据我所知亚历克从来不带枪。

He’s never worked here to my knowledge. 据我所知，他从来没有在这里工作过。

In this town there are only a couple of restaurants that to my knowledge (= judging from my personal experience and information) serve good food. 据我所知，这个镇上只有几家餐馆菜肴不错。