There is no quantity of water in the sea
It is an idiom, and the Pinyin is h ǎ ishu ǐ n á NLI á ng, which means not to underestimate others.
Explanation: sea water can not be measured. Don't underestimate someone's future based on their current situation.
Source: Huainanzi Tai ethnic training: "Taishan can't be measured, river and sea can't be combed."
Example: it's never easy to see, but you can't see much. Two pieces of Qianqiang by Hu Wenhuan in Ming Dynasty
There is no quantity of water in the sea
become a custom through long time usage - xiāng yán chéng xí