useless，英文单词，形容词，意思是“无用的；无效的”。
英英释义
useless [ 'ju:slis ]
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adj.
having no beneficial use or incapable of functioning usefully
"a kitchen full of useless gadgets"; "she is useless in an emergency"
以上来源于: WordNet
柯林斯英汉双解大词典
useless /ˈjuːslɪs/ CET4 TEM4
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1.
ADJ If something is useless, you cannot use it. (指某物) 不能用的
例：He realized that their money was useless in this country.
他意识到他们的货币在这个国家不能用。
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2.
ADJ If something is useless, it does not achieve anything helpful or good. 没用的; 不起作用的
例：She knew it was useless to protest.
她知道抗议是没用的。
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3.
ADJ If you say that someone or something is useless, you mean that they are no good at all. (人或物) 不行的
例：Their education system is useless.
他们的教育制度一点儿也不好。
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4.
ADJ If someone feels useless, they feel bad because they are unable to help someone or achieve anything. (某人感到) 没用的
例：She sits at home all day, watching TV and feeling useless.
她整天坐在家里，看电视、感到自己没用。
双语例句原声例句权威例句
更多双语例句
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And,in one language in Botswana, there are three main kinds of plants and animals: edible "eat-things", harmful "bite-things" and "useless things."
VOA: special.2009.12.02
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All of Milton's labors in the cause of liberating England from the tyranny of monarchy had in some way - could be construed as having been useless.
弥尔顿为把英国从君主暴政解放出来,所做的努力在某种程度上,可以说是付之东流了。
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If you just scramble a sentence, it's pretty useless because the recipients are never going to be able to reverse the process.
如果你只是加密一个句子，这是毫无用处的,因为收件人没法将这个句子,反加密出来。
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$firstVoiceSent
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