AEE 1320: Challenge Yourself to Use This Word in English Naturally
challengeの使い方:難しくないetc
Use it as a way of questioning something:
The student challenged his teacher’s grading system. 質問している
As a way to compete or even dare somebody:
I challenge you to a spelling bee. Spelling bee(スペリングの正確さを競うコンテスト)であなたと戦うわ。