A：My mother likes to split hairs.
    我媽媽喜歡吹毛求疵。
    B：What do you mean by that?
    你這是什么意思。
    A：She has keen to buy something which is much cheaper.
    她熱衷于買更加便宜的東西。
    B：Mothers like that.
    母親都是這樣。