“用泥涂”可以翻译为“coat with mud” 或者 “smear with mud” 。
“coat with mud” 强调给某个物体表面覆盖上一层泥，侧重于“涂”这个动作带来的覆盖结果；
“smear with mud” 更侧重于“涂抹”这个动作，有将泥涂抹、抹开的意思 。
例如：The children were coating the rocks with mud.（孩子们正在用泥涂那些石头。）
He smeared mud all over his face to disguise himself.（他用泥涂满了脸来伪装自己 。）