tā / suī / rán / fàn / le / cuò / wù / dàn / nǐ / yě / bú / bì / shuō / huà / zhè / me / bēi / qiè

他虽然犯了错误，但你也不必说话这么卑怯。

Although he made a mistake, you do not need to speak so meanly and cowardly.