鱼跃龙门 (魚躍龍門) yú yuè lóng mén

yú yuè lóng mén set phrase a fish jumps through the Dragon Gate
Domain: Idiom 成语
Notes: Refers to a story about a carp jumping through the Dragon Gate to become a dragon, a metaphor for advancing to a high position in the imperial court (Guoyu '魚躍龍門')