B: We split up. Feifei 当某人无缘无故不说话时，我们就可以用 cat got your tongue 这个表达来询问原因。 注意，这是一个非正式表达，请大家务必选择恰当的语境来使用它。 Rob Oh I get it now. You weren't saying much because you were too busy sneezing! Feifei No, Rob.