The newly critical language by Ukrainian officials in the aftermath of Iran's admission stood in sharp contrast to more cautious statements in recent days.

伊朗承认事故责任后乌克兰官员的批评言辞与最近几日更为谨慎的声明形成了鲜明的对比。

And that's why one must be very cautious making statements which then it's hard to play back.

这就是为什么人们必须非常谨慎地发表声明，然后很难反驳。