抛光，擦亮，打磨，刷洗，刷牙，研磨（如透镜）；用洗面奶洗脸(轻轻地磨)
1. to polish, to shine, to burnish, to scour, to scrub, to brush (teeth), to grind (e.g. a lens)
Godan verb with 'ku' ending
transitive verb
精进（某项技能等）、提升、磨砺、打磨、培养（品格）
2. to refine (a skill, etc.), to improve, to hone, to polish (up), to cultivate (one's character)
Godan verb with 'ku' ending
transitive verb