dismally

For the eye of the thinker, all historic murderers are to be found there, in that hideous penumbra, on their knees, with a scrap of their winding-sheet for an apron, dismally sponging out their work.

以沉思者眼光看，一切历史上凶手都在这儿，在丑恶昏暗处，跪在地上，用他们当作围腰用裹尸布一角，凄惨地抹去他们干勾当。