feckless

/ˈfekləs/ 74
If you describe someone as feckless, you mean that they lack determination or strength, and are unable to do anything properly. 软弱的; 无用的

adjective [原级]无效的;软弱的;没精神的;不负责任的;无气力的

He regarded the young man as feckless and irresponsible.  他认为这个年轻人软弱而且不负责任。

-less 表形容词,""无…的,不…的”feckless 无目标无计划的(feck 效果)
单词造句: