Some find it difficult to suggest they aren't good at something, as they feel they may be admitting to a weakness. But presenting an area you'd like to grow further in your career or what underdeveloped skills you'd like to develop exhibits strength and self-awareness. It takes a lot of emotional maturity to recognize your growth opportunities and exhibits a determination to succeed. Help them identify how far you want to go and how they can help you get there. Show that you are driven to learn and grow. As they state on their website, "We offer a dynamic teaching and learning community and promote humanism among our inquisitive lifelong learners."