hone
verb [ T ] uk/həʊn/ us/hoʊn/
(MAKE SHARP)
使…变锋利；把…磨尖
to make an object sharp
The bone had been honed to a point. 那块骨头已经被磨尖了。
(MAKE PERFECT)
磨炼，磨砺；训练
to make something perfect or completely suitable for its purpose
His physique was honed to perfection. 他的体形锻炼得很完美。
Her debating skills were honed in the students' union. 她的辩论才能是在学生会里磨炼出来的。