churn up: transitive verb ① [churn sth up, churn up sth] (stir) «vehicle» 翻搅 fānjiǎo ‹ground›; «storm» 使…翻腾 shǐ… fānteng ‹water›▸ the earth had been churned up by (the wheels of) the tractor 泥土被拖拉机（车轮）卷起 ② [churn sb up] (upset) 使心神不安 shǐ xīnshén bù'ān |