However sad, however mordant, however terrible, we must know it.

无论多么悲哀，多么尖刻，多么可怕，我们必须知道。

He stonewalled with a grace that for all its mordant quality was delightful to watch.

他用一种优雅的方式阻止了他， 尽管这种优雅的气质令人赏心悦目。

" I quite agree, " said Miss Lavish, who had several times tried to interrupt his mordant wit.

“我完全同意， ” 拉维什小姐说， 她曾多次试图打断他尖刻的机智。