churn somebody/something ↔ up phrasal verbphr v a) DAMAGE churn something ↔ up to damage the surface of the ground, especially by walking on it or driving a vehicle over it 〔尤指由于行走或车辆辗压而〕损坏〔某物的表面〕 The lawn had been churned up by the tractor. 草坪被拖拉机轧坏了。
b) MOVE/CHANGE POSITION churn something ↔ up to move water, mud etc around violently 〔猛烈地〕搅动，翻起〔水、烂泥等〕 The oars had churned up the mud, clouding the water. 船桨翻起淤泥，水变得一片浑浊。
c) British EnglishBrEUPSET to make someone upset or angry 使〔人〕心烦[生气] Though she looked calm, in reality she was churned up inside. 她虽然看起来很平静，但实际上心里非常气愤。
→ churn somebody/something ↔ up at churn1(2)