纳闷儿 meaning in English

[口语] feel puzzled; be perplexed; wonder 短语和例子

She wondered why they had n't given her an answer .
她纳闷儿为什么他们没给她回信。
He began to wonder whether he could be reading the right books for his object in life .
他开始纳闷儿，不知道他是否能够为了实现他一生的壮志而念应该念的书。
His father wondered sometimes when the young man would choose himself a wife, but he knew it was no use worrying .
他父亲有时感到纳闷儿，这年轻人何时才为自己物色个妻子呢；但是他知道操心也没有用。