1. frank eventually used his humor and his storytelling talents to overcome the challenges life had set before him.

여기서 뒷부분 해드 셋 비포 힘이 어떤뜻인지 잘 모르겠어용,,ㅜ2. with more than ten years of teachingexperience under his belt, this kind of interrogation no longer surprised him.

belt를 뭐라고 해석해야될까요.?