Pettifogging means " worrying too much about details that are minor or not important, "

Pettifogging意思" 过于在意那些次要或不重要的细节。

Men were strange: it would never have occurred to her that Walter was capable of such baseness, and yet you never knew; perhaps his seriousness was merely a mask for a mean and pettifogging nature.

男人很奇：她永远不会想到沃尔特会如此卑鄙，但你永远不知道；也许他的严刻薄和吹毛求疵的本性的面具。