例句：
Boldness — a willingness to extend yourself to the extreme, is not one that can be acquired overnight.
勇敢就是愿意努力到极致，这不是一夜而就的。
In The Prince, he championed cunning, ruthlessness, and boldness, rather than virtue, mercy and justice, as the skills of successful leaders.
在《君主论》中，他将狡诈、无情和勇敢，而不是美德、仁慈和正义，作为成功领导人的技能。
But more boldness is needed.
但是他还需要更大的魄力。