ineffective
[ˌɪn.ɪ'fek.tɪv] adjective
■not producing the effects or results that are wanted 不起作用的，无效果的，不奏效的•They made an ineffective attempt to get the rules changed.他们试图改变规则，但未成功。 •The army has proved ineffective in protecting the civilian population.军队没有起到保护平民的作用。 |