皮鞋的英语表达是 leather shoes。例如：

1. I bought a new pair of leather shoes last week. 我上周买了一双新的皮鞋。

2. My leather shoes are very comfortable. 我的皮鞋非常舒适。

3. I need to polish my leather shoes. 我需要擦我的皮鞋。

如果需要表达更高级或豪华的皮鞋，可以使用 "luxury leather shoes" 或 "high-end leather shoes"。例如：

1. I bought a pair of luxury leather shoes last weekend. 我上周末买了一双高档皮鞋。

2. These high-end leather shoes are very comfortable to wear. 这些高档皮鞋穿起来非常舒适。