in
e
ffec
tive
形容词比较级
more ineffective
形容词最高级
most ineffective
1
无效的, 不起作用的
not achieving the desired outcome or intended result
- The medication proved to be ineffective in treating the patient's condition.
该药物在治疗患者病情方面被证明是无效的。
- His teaching methods were ineffective, as many students struggled to understand the material.
他的教学方法无效，因为许多学生难以理解材料。
- The marketing campaign was ineffective, as it failed to attract new customers.
营销活动无效，因为它未能吸引新客户。
- Using the old software was ineffective in solving the problem; an upgrade was necessary.
使用旧软件无效解决问题；升级是必要的。
- The manager's leadership style was ineffective in motivating the team.
经理的领导风格在激励团队方面无效。
反义词：
2
无效的，无能的
(of a person) lacking the skill, competence, or ability to produce the desired outcome or perform successfully
- The ineffective manager was unable to motivate the team.
无效的经理无法激励团队。
- An ineffective teacher cannot engage students or improve learning outcomes.
一个无效的老师无法吸引学生或提高学习成果。
- The ineffective worker was often late and failed to meet deadlines.
无效的工人经常迟到并且未能按时完成任务。
- She felt ineffective in her role, as her suggestions were always ignored.
她觉得自己在角色中无效，因为她的建议总是被忽略。