ineffective
01
无效的, 不起作用的
not achieving the desired outcome or intended result
例子
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。
02
无效的，无能的
(of a person) lacking the skill, competence, or ability to produce the desired outcome or perform successfully
例子
The ineffective manager was unable to motivate the team.
无效的经理无法激励团队。
An ineffective teacher can not 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。
词汇树
ineffective
effective
effect
