難題
Meanings
1
difficult problem; challenge
Refers to a tough issue, puzzle, or task that is hard to solve or overcome. Often used in academic, business, or personal contexts.
No one could solve this difficult math problem.
He always likes to take on challenges.
Usage patterns
- 〈人〉に難題を突きつけるto confront someone with a difficult demand
The boss confronted his subordinate with an unreasonable demand.
- 難題を抱えるto be saddled with a difficult problem
The company is saddled with the difficult problem of a lack of funds.
- 難題に取り組むto tackle a difficult problem
The researchers have been tackling that difficult problem for years.
- 難題を解決するto solve a difficult problem
He brilliantly solved the difficult problem.