博はく捜そう

noun, noun or participle which takes 'suru'

searching far and wide; extensive search

A somewhat formal or literary term for a thorough, wide-ranging search. Often used in contexts like research, investigation, or gathering information from many sources.

• 資し料りょうを博はく捜そうして論ろん文ぶんを書かいた。

  I wrote the paper after searching far and wide for materials.

• 彼かれは古こ書しょ店てんを博はく捜そうし、珍めずらしい本ほんを見みつけた。

  He searched extensively through secondhand bookstores and found a rare book.