Kiokun Logo
Chinese
刻苦 [kè​kǔ]
hardworking; assiduous
Japanese
刻苦 こっく 同音
noun+suru verbintrans. hard work
Korean
각고 [刻苦]
Noun
hard work; difficult labor; backbreaking work; The act of working very hard to achieve something with much difficulty.
Notes
Example Sentences
Contains