VERB
磨炼（技能）;开发（产品）；锤炼（观点）
If you hone something, for example a skill, technique, idea, or product, you carefully develop it over a long period of time so that it is exactly right for your purpose.
例句
Leading companies spend time and money on honing the skills of senior managers...
龙头公司会在磨砺高层管理人员的技能上付出时间和金钱。
His body is honed and kept in trim with constant exercise.
他经常运动，以锻炼身体和保持身材。