You may know by a handful the whole sack 一叶知秋

天渐渐冷了。俗话说，一叶知秋。那看下我还在熟睡的闺女还陪睡的我，是不是也可以说，一睡知懒啊😅

It is getting colder. As the saying goes, one leaf knows autumn. Then look at the sleeping prostitute who is still sleeping with me. Is it also possible to say that when I sleep, I know what is lazy?😅😅