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
be hard to refuse for the sake of friendship - qíng miàn nán què
eat and drink to the limit of one 's capacity - jiǔ zuì fàn bǎo