Although she bought two pairs of sandals, where the shoe pinches was that they didn't fit her well. 【误译】虽然她买了两双凉鞋，但鞋夹不适合她用。 【正确】虽然她买了两双凉鞋，麻烦的是这两双凉鞋都不合脚。 说明：where the shoe pinches（口语）意为“麻烦［困难，苦恼，痛苦，症结］所在”。