v.磨炼（技能）
Merriam-Webster Online Dictionary
hone (noun) - whetstone
transitive verb
1.
to sharpen or smooth with a whetstone
2.
to make more acute, intense, or effective - whet helped her hone her comic timing Patricia Bosworth
intransitive verb
1.
dialect - yearn often used with for or after
2.
dialect - grumble moan
Merriam-Webster Online Thesaurus
hone (verb)1.
to make sharp or sharper
SYNONYMS:
edge, grind, hone, stone, strop, whetRELATED WORDS:
fileNEAR ANTONYMS:
buff, burnish, gloss, polish, round, smooth2.
to make smooth by friction
SYNONYMS:
buff, file, hone, rasp, rub, sandRELATED WORDS:
plane, scrape; sandblast, scour; burnish, dress, gloss, polish, shine, smooth; edge, hone, sharpen, strop, whet; regrindNEAR ANTONYMS:
coarsen, rough (up), roughen, scuff