desultory

形容词 desultory:

1. marked by lack of definite plan or regularity or purpose; jumping from one thing to another

1. He broke into a desultory chat with me over his business affairs.
   他突然开始和我漫无边际地谈起他的生意来了。

des.ul.to.ry

adj.（形容词）
Moving or jumping from one thing to another; disconnected:
杂乱的，不连贯的：从一件事跳到另一件事；不连贯的：
例句：
a desultory speech.
说话语无伦次

Occurring haphazardly; random.See Synonyms at chance
随意的；任意的参见 chance

来源：
Latin dôsultôrius [leaping]
拉丁语 dôsultôrius [跳跃式的]
from dôsultor [a leaper]
源自 dôsultor [跳跃者]
from dôsilore dôsult- [to leap down]
源自 dôsilore dôsult- [跳下]
dô- [de-]
dô- [前缀]
salore [to jump] * see sel-
salore [跳跃] *参见 sel-

【引伸】
des.ulto.rily
adv.（副词）
des.ulto.riness
n.（名词）