難題|なんだいnandai[0]heiban (flat)

1. noundifficult problem; challenge
   君きみはそれらの難題なんだいに対処たいしょしなくてはならない。↗

   You have to cope with those difficult problems.

• Related面倒めんどうNeutralNeutral: trouble or bother, the tedium of a task; works in speech and writing, as in 「面倒な手続き」. 「難題」 points to problems that resist solution or unreasonable demands.
• Related厄介事やっかいごとCasualColloquial: a troublesome matter that is hard to deal with. 「難題」 leans toward difficult problems or unreasonable demands.
• Related骨の折れることCasualColloquial: something that takes effort or is taxing; a plain, direct way of putting it. 「難題」 leans toward problems that are hard to solve or unreasonable demands.
• Antonym簡単な問題NeutralNeutral: a problem that is easy to solve; the opposite of 「難題」 in terms of difficulty.

Use 「難題」 for problems that are hard to solve or for unreasonable demands, as in 「難題を抱える」「無理難題」. For troublesome matters pick 「厄介事」, for tedious chores 「面倒」; the opposite is 「簡単な問題」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 解決かいけつに困難こんなんを伴ともなう問題もんだい又または課題かだい。