feckless
/ˈfekləs/ 103If 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。
feck(效果) + less(无…的) → 没有效果 → 无效的； 注意不要和reckless(adj. 轻率的)相混
单词造句: