Perfidiousness
背信弃义\\n叛卖
📖 牛津释义
perfidiousness
n [U].
🗣️ 情景例句
OK. I will try her back then.
好的，我到时再试试看。
You shouldn't refuse the children's request.
拒绝孩子们的恳求是件不好的事。
Working rapidly in the darkness, he soon changed into the dead man's clothes.
他在黑暗中忙活了一阵儿，很快就换上了死者的衣服。