Dnb
abbr. 《英国人名词典》（Dictionary of National Biography）
🗣️ 情景例句
Show some courtesy or I shall cease dealing with your company.
请客气些，否则我将停止与你们公司打交道。
May I have the check,please?
我可以检查一下,好吗？
I think that's a good idea.
我认为那是个好主意。