The puzzle niggled away in Arnold's mind.
这个谜团在阿诺德脑海里挥之不去。
柯林斯例句
His untidiness constantly niggled her.
他邋邋遢遢总惹她讨厌.
辞典例句
Mary niggled over everything until my patience was worn out.
玛丽事事吹毛求疵,叫我好不耐烦.
互联网
She niggled over every detail of the bill.
她对账单的每一项目都仔细查算.
互联网