without a clear plan or purpose and showing little effort or interest
发音
例句
1. Do not let the discussion fragment into a desultory conversation with no clear direction. 不要让讨论变得支离破碎,成为没有明确方向的漫谈。 2. The constables made a desultory attempt to keep them away from the barn. 警察漫不经心地拦着不让他们靠近谷仓。