Explanation: Carp Jumping Dragon Gate, also known as Carp Jumping Dragon Gate and Fish Jumping Dragon Gate, is an ancient Chinese folk legend that took place in the area where the Dragon Gate Grottoes are located in present-day Luoyang, Henan Province.
Ancient legend has it that when a carp from the Yellow River jumps over the Dragon Gate, it changes into a dragon. It is a metaphor for the soaring of the Yellow River, such as winning the imperial examination and being promoted to an official position. It is also a metaphor for advancing against the current and striving for advancement.
Origin: Bei Ya Shi Yu (埤雅釋鱼):"Commonly said that a fish jumps over the Dragon Gate and passes through to become a dragon, but only the carp may do so."
Syntax: Carp jumped over the Dragon Gate subject-predicate tense; as object; a metaphor for winning the imperial examination, being promoted to an official position, and other flying[hao86.com good tools] things.
Example: Guo Moruo, "Pu Jian - Dragon Boat - Carp Banner": "It goes without saying that this intention is an evolution of the Chinese carp jumping over the Dragon Gate."