10 years in the top division is enough for anyone
Sumo expression meaning that a wrestler who has spent ten years in the makuuchi division has had a respectable career and can retire without regret. Often used to console or praise a retiring rikishi.
He achieved ten years in the top division and decided to retire.
As they say, 'ten years in makuuchi is enough,' I think I've done enough.
Refers to the top division in sumo; 幕内十年 is a set phrase about career length, not just the division itself.
A sumo idiom combining 幕内 (makuuchi, the top division) and 十年 (ten years). The phrase reflects the traditional view that a decade in the highest rank is a full and honorable career.