There is something to what he's just said.
他刚才说的话很有见地。
作为一个固定的表达,there be something to/in sth. 表示确有道理、有见地、有不同凡响之处。
例句:
Many folk remedies have stood the test of time, so there must be something in them.
不少偏方经过时间的考验很有效,其中肯定是有根据的。
If such a work is hundreds or thousands of years old and is still admired, there is probably something to it.
既然一部作品已经存在了几百年或几千年,今天仍受到赞赏,那么它大概确实有些名堂。