1. nicely, properly, well, skillfully, skilfully
2. frequently, often
3. I'm glad that you ..., thank you for ...
4. (you have) quite the nerve to, I don't know how you can ...
1. to understand, to comprehend, to grasp, to see, to get, to follow
2. to become clear, to be known, to be discovered, to be realized, to be realised, to be found out
3. I know!, I think so too!