Perfidiousness
背信弃义\\n叛卖
📖 牛津释义
perfidiousness
n [U].
🗣️ 情景例句
It's getting late.
时间不早了。
He deserves not the sweet that will not taste the sour.
吃过苦头，才配享受。
Last week I went to the theatre.
上星期我去看戏。