notic的用法中 的确提到了 notice sb. doing
例句如下：
I noticed him winking at his brother.
我察觉他对他兄弟眨眼示意.
但是同样字典里也有例句 ：
She didn't notice that I had entered the room.
她没有看到我已经走进屋里.

上面的
Noboday notice （that）the thief glide into the house.
就可以解释了 省略了that的从句