join tightly
It is a Chinese idiom, Pinyin is y á ns ī h é f è ng, which means that the gap is tightly closed. It comes from the biography of heroes and heroines by Wen Kang of Qing Dynasty.
The origin of Idioms
The seventh chapter of biography of heroes and heroines written by Wen Kang of Qing Dynasty: "the horizons of other provinces are mostly paved with wooden boards, which are tightly covered, so they can't be seen easily." Zhang Jie's window on the street: "so we can close it in a perfect box instead of digging a hole in the box we live in like human beings - they call it a window." Wang Huo's war and people (1) Volume 2: "he set up a trap again and invited me into the urn. In addition, Jiang Huainan is really a capable man. He arranges the links and buttons in a perfect way, understands people's psychology, gives people sweetness, and makes people feel safe."
Idiom explanation
It means that the gap is closed tightly.
Chinese PinYin : yán sī hé fèng
join tightly
to return a thing intact to its owner. wán bì guī zhào
know something of everything but not everything of something. wú shǔ zhī jì
I've been used to it for a long time. jiǔ guàn lǎo chéng