1. Zoro will be the best sword knight-errant one day. It's his asseveration ! 卓洛总有一天会成为世界第一剑豪，这是他的誓言!；
2. You can forget the asseveration of past, but want to remember own of sincerely. 你可以忘记以前的誓言，但要记住自己的真心。
3. The asseveration in the heart has never forgotten but has never attained as well, I have already again had no speech to say what. 心中的誓言未曾忘却，但也未曾付诸实现。我再次无言以对。
英英解释
n.
1. a declaration that is made emphatically (as if no supporting evidence were necessary)
网络释义
asseveration 断言;
誓言;
Asseveration of reaching agreement verbally 一言为定的誓言;
asseveration oath parole pledge sacrament swear vow 誓言;
