Meaning of challenge in English
US /ˈʧælənʤ/ UK /ˈʧælɪnʤ/
1. a call to fight or play a game against someone
accept a challenge
2. a new or difficult task or situation that requires extra work or tests your abilities
face a challenge
US /ˈʧælənʤ/ UK /ˈʧælɪnʤ/
1. offer to fight or play a game against someone
Who will challenge the champion?
2. make someone think, work, or try hard
This difficulty of the math problem challenged me to find a solution.