difficult to do or achieve

कठिन करना

English Usage: The exam was particularly challenging this year.

Hindi Usage: इस साल परीक्षा विशेष रूप से कठिन रही।

to call into question or dispute

सवाल उठाना

English Usage: She decided to challenge the decision made by the committee.

Hindi Usage: उसने समिति द्वारा किए गए निर्णय को सवाल करने का निर्णय लिया।

a task that tests someone's abilities

परीक्षा

English Usage: Climbing the mountain was a real challenge for the team.

Hindi Usage: पहाड़ चढ़ना टीम के लिए वास्तव में एक परीक्षा थी।