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Sentence

研けん究きゅうが行いき詰づまってしまった。

Span Details

研けん究きゅう

research; study; investigation

noun, suru verb

行いき詰づまっ

reach a dead end; come to a standstill; be stuck

-> 行き詰まるgodan verb

completion or regret

-> てしまうgrammar

past tense or completed action