the ability to understand that other people have thoughts, knowledge, and feelings that are not the same as yours

Older children have developed a theory of mind; they understand that other people sometimes have false beliefs. 年龄较大的孩子已经形成了一套心智理论，他们明白其他人有时会有错误的信念。

Theory of mind is used when making judgments and inferences about others' behaviour. 心智理论用于对他人的行为做出判断和推论。