1) What size do you mean ?
您要多大尺码的?
2) What size do you want to take?
您要买多大的?
3) What size would you like?
您要洗多大的？
4) What size do you want?
您要什么尺寸的？
5) How big do you want them to be?
您要放大多少?
6) How strong do you want it?
您要药效多强的?
参考词条