The birthday party becomes a discussion of the business relationship between the two countries, and the winner of the horse racing will have the initiative to negotiate. But a sudden rainstorm not only destroyed the horse racing, but also the Coming-of-age ceremony of the Princess Lanshuang.
It is my fault for not 
considering that aspect.
أخطأتُ في عدم التفكير من هذه الناحية
Ich habe unbedacht gesprochen.
Perdón, fue muy desconsiderado
de mi parte.
Perdón, ha sido desconsiderado
de mi parte.
C’était déplacé de ma part.
Ho peccato nel non considerare tale aspetto.
É minha culpa não
considerar esse aspecto.
Я виноват, что не учёл этот момент.