If you mainly feel bored and want to do something in your spare time, then you could be a beginner forever. You just want to pass the time, while learning a language can be boring at the intermediate level and requires effort. Thus, you probably can't make real progress. ...
In English “pay attention” is more commonly used in every day situations – you should pay attention to the road when you’re driving to school, one pays attention to the teacher in class, etc. However when expressing 关注 in a formal context “pay [close] attention to” is just not ...