non-effective
adjective (also noneffective) uk/ˌnɒn.ɪˈfek.tɪv/ us/ˌnɑːn.əˈfek.tɪv/
无效的
not successful or not achieving the results that you want
It became clear that the approach was non-effective. 很明显，这种方法是无效的。
The government was criticized for its non-effective programme of legislation.
medical specialized（药物或治疗）无效的
(used about a treatment or drug) not working well
The pain relief proved to be non-effective.
a non-effective dose 无效剂量
- More examples
- Noneffective managers are given extra training.
- The crime reduction measures have been noneffective.
- They determined whether the treatment had been effective or non-effective.
- The efficacy was assessed as non-effective in three of the ten patients.
- The imported drug was substandard and non-effective.