http://www.ldoceonline.com/dictionary/notice_1
1) if you notice something or someone, you realize that they exist, especially because you can see, hear, or feel them:
Have you noticed any change in him?
你發覺他有甚麼分別嗎?
2009-09-24 13:16:54 補充:
2) be noticed/get (somebody) noticed to get attention, or to make someone get attention:
These clothes will get you noticed and enhance your image.
(get you noticed 之中嘅 "noticed" 係 passive voice, 解 "令你受到注目")