Lu ti ya lang men
[Interpretation] Ancient legend has it that the Yellow River carp will turn into a dragon when it jumps over the Longmen. Metaphor promotion, promotion and the like. It is also a metaphor for going upstream and striving for progress.
"Ya Ya Shi Yu": "As the saying goes, a fish jumps over the Longmen, but only carp can cross it."
[Usage] Subject-predicate type; Become an object; Metaphor, promotion and other things in the apprentice.