Difficulty; hardship — a state involving obstacles or troubles, making something hard to solve or accomplish.
資金不足がプロジェクト最大の困難となった。
A lack of funds became the project's biggest difficulty.
困難に直面しても諦めずに努力を続けた。
Even when faced with difficulties, they continued to work hard without giving up.
言語の壁が留学の一つの困難だ。
The language barrier is one difficulty of studying abroad.
A euphemistic sense meaning infeasibility or inability to carry something out — used to politely indicate that something is difficult or practically impossible to do.
ご要望どおりの対応は現状では困難です。
It is currently difficult to meet your request.
スケジュールの都合上、それは実行が困難だ。
Due to scheduling constraints, that is difficult to carry out.