Desultory readers are seldom remarkable for the exactness of their learning.

因为漫无标、无书不读人，他们很难是非常精湛。

In these desultory ramblings she passed the cottage of Susan Nunsuch, a little lower down than her grandfather's.

就在她这么漫无地闲逛时，路过位于她外公房子下面苏·奇农舍。

His studies are very desultory and eccentric, but he has amassed a lot of out-of-the-way knowledge which would astonish his professors.

他所研究东西非常杂乱，不成系统，并且也很离奇；但是他却积累了不少稀奇古怪，足以使他教授都感到惊讶。