プログレッシブ和英中辞典(第4版)の解説
そや【粗野】
粗野な 〔洗練されていない〕crude;〔礼儀を知らない〕rude;〔荒っぽい〕rough, coarse
食事作法が粗野な人
a person with crude table manners
粗野な人
a vulgar [rude] person(▼vulgarは俗っぽい,下品な様子を意味し,rudeは無礼,無作法を意味する)
粗野な言動を慎む
avoid coarse speech [language] and (bad) manners
粗野でも真実味があればいい
If he is honest, I won't complain about his coarseness./He means well, so don't be put off by his 「unpolished style [rough manner(s)].