一暴十寒
Meanings
1
sporadic effort yields no result; one day of hard work followed by ten days of idleness
A yojijukugo from Mencius, warning that bursts of effort interrupted by long periods of neglect are futile. Used to emphasize the importance of consistency.
With one day of effort and ten days of idleness, no talent can blossom.
In language study, it's important not to let it end up as sporadic effort, but to continue every day.