難題

• 読み: なんだい
• ローマ字: nandai
• 漢字の分解: 難 (nan/muzukashii) — difficult, hard; 題 (dai) — subject, title, problem, theme
• 発音: /nan.dai/

意味

Difficult problem; tough challenge; demanding or unreasonable demand. A question or issue that is hard to resolve, or a request extremely difficult to fulfil.

A noun with two related senses: (1) an intellectually demanding problem (数学の難題 — a difficult maths problem), and (2) an unreasonable demand or challenge (難題を押しつける — to burden someone with an unreasonable demand). 難題を解決する (to resolve a difficult problem) and 難題を突きつける (to confront someone with a hard demand) are common collocations.

例文

1. 環境問題と経済成長を両立させるのは現代社会最大の難題の一つだ。
2. 部下に難題を押しつけるのではなく、一緒に解決策を考えるべきだ。
3. 哲学者たちは何世紀にもわたってこの難題に取り組んできた。

使い方ガイド

場面: academic, business, philosophy, everyday speech

トーン: neutral

起源と歴史

Compound of 難 (nan) — difficult, hard — and 題 (dai) — subject, title, problem. Together they form a problem or subject that is hard to deal with.

文化的背景

時代: Classical–Modern

世代: All ages

社会的背景: Universal