愧悔交加kuì huǐ jiāo jiā

be torn by self recrimination and repentance
❍ 双和叔～地说： “我叫生产上的事情忙昏了头，等会，我就把它擦出来。” (黎汝清《海岛女民兵》215) Uncle Shuanghe,torn by self recrimination and repentance,answered in a low voice，“I was too absorbed with production. I’ll clean it.”