
adjective 无效的;不起作用的;没有成效的。形容某人或某事未能产生预期的效果或结果。
/nfktul/
His ineffectual attempts to fix the leak only made the problem worse.
他徒劳地试图修补漏水,结果反而让问题更加严重了。
The committee passed several ineffectual resolutions that failed to address the root causes of the crisis, leaving the public increasingly frustrated with their leadership.
委员会通过了几项无效的决议,未能解决危机的根本原因,使公众对他们的领导能力越来越感到失望。
该词源自中古英语,由前缀 in-(表示"不、无")与 effectual(有效的)组合而成。effectual 本身来自中世纪拉丁语 effectualis,源于拉丁语 effectus(效果、结果),而 effectus 又由 **ex-**(出)和 facere(做)构成。该词自15世纪起在英语中使用,强调某种行为或努力缺乏实际效果。