Keyword
sharpen
Info
FrequencyNever used
Readings
れい
(100%)
Composed of
cliff
ten thousand [old]
Used in vocabulary (2 in total)
strict observance (of rules, regulations, etc.); strict adherence; conscientious practice (of good habits, etc.); diligent execution (e.g. of duties); sticking to (e.g. a routine)
diligence; assiduity; industry