What
did
you
say?
没听清时,可以这么说。但礼貌些的说法:I
beg
your
pardon.
I
didn't
catch
your
words.
What
did
you
mean?也许对方表达的意思很隐晦,需要进一步解释。
What
does
you
mean?
语法就有问题——What
do
you
mean?
What
did
you
say?
你说什么?
还是
What
did
you
mean?
你什么意思?
还是
What
does
you
mean?
不通,
词病
(不能用does)