ineffective
英 [ˌɪnɪˈfektɪv]
美 [ˌɪnɪˈfektɪv]
adj. 无效果的; 不起作用的; 不奏效的
Collins.1 / BNC.7076 / COCA.7869
同义词辨析
vainabortivefruitlessineffective【导航词义：未能达到目的的】
vainadj. 徒劳的，无结果的
〔辨析〕
指努力、希望、搜寻等未能获得想要的结果的。
〔例证〕
He underwent a knee operation in the vain hope of getting into the team.
他做了膝盖手术，徒劳地指望能进入该队。
She raised her head in a vain attempt to hold back the tears.
她仰起头，却无法忍住眼泪。
他做了膝盖手术，徒劳地指望能进入该队。
She raised her head in a vain attempt to hold back the tears.
她仰起头，却无法忍住眼泪。
abortiveadj. 失败的，夭折的
〔辨析〕
指行动、计划等没有成功的。
〔例证〕
an abortive takeover bid by the larger firm
由较大公司提出的夭折了的并购
There is no record of the abortive military coup.
没有关于那次未遂的军事政变的记录。
由较大公司提出的夭折了的并购
There is no record of the abortive military coup.
没有关于那次未遂的军事政变的记录。
fruitlessadj. 无结果的，无效果的
〔辨析〕
尤指付出很多努力却无成效的。
〔例证〕
So far, their research has been fruitless.
到目前为止，他们的研究工作毫无结果。
The fruitless attempt to settle the dispute disappointed him.
试图解决争端的努力白费了，这让他很失望。
到目前为止，他们的研究工作毫无结果。
The fruitless attempt to settle the dispute disappointed him.
试图解决争端的努力白费了，这让他很失望。
ineffectiveadj. 无效果的，不起作用的
〔辨析〕
侧重指人或事物未能发挥应有之作用的。
〔例证〕
The army has proved ineffective in protecting the local civilians.
军队没有起到保护当地平民的作用。
This special stain remover was almost ineffective in removing the soup stain.
这种特效去污剂基本去不掉汤渍。
The policy proved ineffective in dealing with the problem.
事实证明该政策未能解决问题。
军队没有起到保护当地平民的作用。
This special stain remover was almost ineffective in removing the soup stain.
这种特效去污剂基本去不掉汤渍。
The policy proved ineffective in dealing with the problem.
事实证明该政策未能解决问题。
牛津词典
adj.
- 无效果的；不起作用的；不奏效的
not achieving what you want to achieve; not having any effect- The new drug was ineffective.
新药不起作用。 - ineffective management
管理不善 - The law proved ineffective in dealing with the problem.
事实证明这条法规未能真正解决问题。
- The new drug was ineffective.
柯林斯词典
- ADJ-GRADED 不起作用的;无效果的;无效率的
If you say that something isineffective, you mean that it has no effect on a process or situation.- Economic reform will continue to be painful and ineffective...
经济改革仍将举步维艰,毫无成效。 - This is an ineffective method of controlling your dog.
用这种方法控制你的狗不起作用。
- Economic reform will continue to be painful and ineffective...
英英释义
adj
- lacking the ability or skill to perform effectively
- an ineffective administration
- inefficient workers
- not producing an intended effect
- an ineffective teacher
- ineffective legislation
- lacking in power or forcefulness
- an ineffectual ruler
- like an unable phoenix in hot ashes