There is no leak
It's a Chinese idiom. Its pinyin is Shu ǐ Xi è B ù L ò u, which means no leakage. It describes being careful in speaking. It comes from the Song Dynasty's shidaoyuan biography of lanterns in Jingde.
Idiom usage
You're just "cutting vegetables in a wooden ladle with a horseshoe knife". It's full of water and it doesn't fall to the ground at all!
Analysis of Idioms
Synonym: never leak
The origin of Idioms
Song Shi Daoyuan's Jingde Zhuandeng Lu said, "under the door of Deshan, there is no way out."
Idiom explanation
You can't miss a drop. He is careful in speaking.
There is no leak
wail like ghosts and howl like wolves - guǐ kū láng háo
ask doubtful questions and inquire into difficult problems - zhì yí wèn nàn
be apt at devising a good plan for oneself - shàn zì wéi móu
square accounts in every detail - jīn jīn jì jiào