I have worn myself thin trying to find out about this comet, and I know very little now in the matter.

I have worn myself thin trying to find out about this comet, and I know very little now in the matter.

为了弄清这颗彗星的情况，我已经精疲力尽了，现在我对它所知甚少。

-- Maria Mitchell 玛丽亚·米切尔