He seemed to know intuitively that I must be missing my mother.
他似乎凭直觉知道我一定是在思念我的母亲。
Most children reading this sentence would probably fill in the blank with a noun, because they intuitively know how language works.
大多数儿童读到这个句子时会在空白处填入名词,因为他们凭直觉就知道语言是如何运作的。