And problems can emerge if toilet training is not handled correctly.

如果如厕训练处理不当，就会出现问题。

Hiccup was still struggling to teach Toothless the basics of toilet training.

卡嗝仍然在努力教无牙厕所训练的基本知识。

So, for instance, there's no evidence that oral and anal characteristics, the personality characteristics I talked about – about being needy versus being stingy – relate in any interesting way to weaning or toilet training.

因此，例如，没有证据表明口腔和肛门的特征，我谈到的性格特征——关于需要和吝啬——以任何有趣的方式与断奶或如厕训练相关。