If the dispositions of the parties are ever so well known to each other, or ever so similar before-hand, it does not advance their felicity in the least.
1.disposition ['dɪspə'zɪʃən] 性情、性格
2.well known to sb 为…所熟知
3.similar 相似的
4.before-hand 事先、提前
5.advance v.促进、推动
6.felicity [fə'lɪsəti] n.幸福、快乐
7. not in the least 绝不、一点也不