niggle/ˈnɪɡəl/第三人称niggles现在进行时niggling过去式niggled过去完成时niggled1为小事争吵, 因小事批评某人to argue over an unimportant thing or criticize someone for it同义词: pettifogquibblesquabblebrabblebicker2不必要地担心, 过分担心worry unnecessarily or excessively同义词: fretfuss