ineffective
01
无效的, 不起作用的
not achieving the desired outcome or intended result
例子
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。
词汇树
ineffective
effective
effect
