Portuguese

osso duro de roer

名詞

慣用表現 男性形

解決が難しい問題 / 扱いにくい人や状況 / 勇敢で手強い人や組織

英語の意味

(idiomatic) hard nut to crack (problem that is challenging to solve) / (idiomatic) hard nut to crack (situation, person, group, etc. which is difficult to overcome or deal with) / (idiomatic) a brave or hardy person or organisation

Resolver o caso de corrupção revelou-se um osso duro de roer, exigindo muita criatividade e perseverança.

汚職事件の解決は本当に手ごわい問題であることが判明し、多くの創造力と粘り強さが求められました。

Solving the corruption case proved to be a hard nut to crack, requiring a lot of creativity and perseverance.

ossos duros de roer （ plural ）

metaphonic （ plural ）