Definition (注意)
to become aware of something that others have overlooked.
注意到(未被他人发现的事情)
She has a knack for picking up on details that others have overlooked.
她善于发现其他人忽略的细节。
If you pay attention, you'll pick up on some patterns that I've mentioned.
如果你注意观察,你会发现我之前提到的一些模式。
The teacher picked up on the fact that some students had not noticed the changes in class.
老师发现了一些学生没有注意到课堂上的变化。