悪戦苦闘 (あくせんくとう) Japanese meaning | KotomoraFreq.FrequencyTop 50,000 Meanings
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noun, noun or participle which takes 'suru', intransitive verb
hard fighting; desperate struggle; fighting against heavy odds
yojijukugo (four-character idiom)
A yojijukugo describing a fierce, uphill battle or struggle, often used figuratively for any difficult effort.
He is struggling desperately with the difficult problem.