深堀り
1
digging deeply (below the surface);mining deep
2
probing deeply (issue, problem);investigating thoroughly
3
deepening relations
Other forms
深掘り 【ふかぼり】 · 深堀 【ふかぼり】 (irregular okurigana usage) · 深掘 【ふかぼり】 (irregular okurigana usage)