Tactfulness
n. 灵活机智（tactful的名词形式）
✅ 同义词
🔴 反义词
🗣️ 情景例句
Thank you, Mr. Riley. We'll read this over carefully.
谢谢你 Riley先生。我们会仔细阅读这些。
Fortune favors the brave.
好运总偏袒勇敢的人。
The question became one of whether Man could control the disease he had invented.
现在的问题是，人类能否控制住这种人为的疾病。