なんだい
Nandai
難題 (Nandai) is a Japanese noun meaning “difficult problem, challenge”.
Meanings
- noundifficult problem; challenge
Examples
それは難題だ。
That's a tall order.
君はそれらの難題に対処しなくてはならない。
You have to cope with those difficult problems.
一難去ってまた一難、またまた難題が社長からトップダウンで降りてきたよ。
No sooner had we finished working on one tough problem than the president sent us yet another straight from the top.
Sentences from Tatoeba (CC BY 2.0 FR).