Biffing
v. 打( biff的现在分词 )
🗣️ 情景例句
Excuse me, where can I find the shoe polish?
问一下，我到哪儿能买到鞋油？
The master always exacts quality work from his students.
老师常常要求学生们认真踏实的完成功课。
It's none of your business!
这不关你的事儿！