Perfects
v. 使熟练( perfect的第三人称单数 ); 使完全; 使…完美; 充分地指导（告诉）
🗣️ 情景例句
We are prepared for the worst.
我们已有最坏的打算。
Yes, please.
是的，麻烦了。
The weather was very cold, and many people were ill.
天气非常冷，很多人生了病。