promptitude

例句：

1. 1.He was always prompt for his appointments.
   他总是准时赴约。
2. 2. She is known for her promptitude in handling difficult situations.
   她因处理困难情况时的勤勉而闻名。
3. 3.The manager's promptitude saved the company from bankruptcy.
   经理的勤勉挽救了公司免于破产。