深ふか掘ぼり

noun, noun or participle which takes 'suru'

digging deep; mining deep

Literal physical digging or excavation to a deep level. Often used in construction, archaeology, or mining contexts.

• 遺い跡せきの深ふか掘ぼり調ちょう査さが行おこなわれた。

  A deep excavation survey of the ruins was conducted.

• この鉱こう山ざんでは深ふか掘ぼりによって新あらたな鉱こう脈みゃくが見みつかった。

  In this mine, a new vein was discovered by digging deep.

noun, noun or participle which takes 'suru'

probing deeply; investigating thoroughly

Figurative use: examining an issue, problem, or topic in depth. Common in business, journalism, and academic contexts.

• その記き者しゃは事じ件けんの深ふか掘ぼり取しゅ材ざいを続つづけた。

  The reporter continued in-depth coverage of the case.

• 問もん題だいの原げん因いんを深ふか掘ぼりして分ぶん析せきする必ひつ要ようがある。

  We need to dig deeper into the cause of the problem and analyze it.

noun, noun or participle which takes 'suru'

deepening relations

Figurative use for strengthening human relationships or connections, often through deeper communication or shared experiences.

• 合がっ宿しゅくを通つうじてメンバー同どう士しの深ふか掘ぼりができた。

  Through the training camp, we were able to deepen the relationships among members.