Perf.
abbr. 穿孔（perforate）
🗣️ 情景例句
His appearance is impressive.
他的外表给人印象深刻。
Because I know many of my colleagues who work harder even with a greater dedication than I do.
因为我有很多的同事工作得更努力，做出一贡献更大。
No, I'm not.I'm going to retire.I feel very tired.
不，我不准备拍了。我准备退休了。我感觉累得很。