"Has the implication that if you think you're terrible at it, you might be good."
Which is often the case. When you understanding something well enough to be good at it, you also understand the limitations of your knowledge, and are more likely to rate yourself poorly as a result.
Which is often the case. When you understanding something well enough to be good at it, you also understand the limitations of your knowledge, and are more likely to rate yourself poorly as a result.