Dutchman
noun [ C ] uk/ˈdʌtʃ.mən/ us/ˈdʌtʃ.mən/ -men uk/ˈdʌtʃ.mən/ us/ˈdʌtʃ.mən/
荷兰男人
a man from the Netherlands
Idiom
I'm a Dutchmanidiom UK humorous old-fashioned （用于所言所闻明显不实时）那我就是荷兰人
said after describing or hearing something that is very obviously not true
If that's his real hair, then I'm a Dutchman. 如果那是他的真头发，那我就是荷兰人。