If you swallow a boat, it is a leak
As a Chinese idiom, Pinyin is t ū nzh ō ush ì L ò u, which originally refers to a big fish who has missed the net. Later, it often refers to a person who has committed a big crime and is at large. It comes from the biography of Chen Qing in southern history.
The origin of Idioms
In the biography of Chen Qingzhi, the southern history, it is said that "if the Lord bends the law, he will be gracious, but if he swallows the boat, it will be a leak."
Idiom usage
It is often used in figurative sentences. Example: Wang Fuzhi of the Qing Dynasty's "on reading Tongjian · the first emperor of Qin Dynasty": "lenient and strict, simple and determined, who dares not touch Liangge again?" Qing Xi's "constitutional reform dream" in autumn: "if you swallow the boat and leave the net, you will live with hundreds of Kun loach."
If you swallow a boat, it is a leak
do a discreditable thing secretly - àn shì qī xīn
suddenly see the whole thing in a clear light - huò rán guàn tōng