Deceitfulness
n. 不诚实；欺诈
✅ 同义词
📖 牛津释义
deceitfulness
n [U].
🗣️ 情景例句
Certainly.
当然。
But today well lived makes every yesterday a dream of happiness, and every tomorrow a vision of hope.
只有今天好好地生活，昨天才会变成幸福的回忆，明天才会成为希望的憧憬。
Of course, the answer is Chinese.
回答当然是汉语。