素人しろうと芝しば居い

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Meanings

1

noun

amateur theatricals; amateur dramatic performance

Refers to a play or performance put on by amateurs, often with a connotation of being unpolished or informal.

elementary, principle, naked

人person

芝turf, lawn

居reside, to be, exist

素人しろうと
素人 means 'amateur' or 'novice' in general, while 素人芝居 specifically refers to amateur theatrical performances.
芝しば居い
芝居 means 'play' or 'drama' in general, while 素人芝居 specifies that the performers are amateurs.

Compound of 素人 (shirōto, 'amateur') and 芝居 (shibai, 'play, drama').