"I can now successfully drive a stick. That's a huge accomplishment"

In this quote, Shannon Miller is revealing her pride and satisfaction in being able to drive a stick shift vehicle. Using the word "successfully" suggests that she has been practicing and having problem with this ability, however has actually lastly mastered it. This achievement is considerable to her, as shown by the word "big". It might be that she had formerly struggled with driving a standard transmission and now feels a sense of relief and achievement. This quote likewise suggests that she might have faced difficulties or doubts while doing so, however eventually persevered and accomplished her goal. In general, this quote highlights the significance of determination and effort in attaining success.