be·foul /bɪˈfaʊl/ vt. 1. 弄脏；污损 a building befouled with soot 沾满烟垢的建筑物 a wall befouled with graffiti 给涂写得一塌糊涂的墙 2. 玷污，玷辱；污蔑 scandals that befouled the Administration 玷污政府声誉的丑闻 befoul sb.'s reputation 污蔑某人 3. 使形成纠缠 The rope was befouled by weeds and sticks. 绳子被野草和枯枝缠住了。