音標(biāo)發(fā)音英式音標(biāo) [?ju?s.l?s]美式音標(biāo) [?ju?s.l?s]國(guó)際音標(biāo) ['ju:slis]英式發(fā)音 美式發(fā)音 基本解釋adj.無(wú)用的;無(wú)傚的同根派生adj性質(zhì)的同根詞usable:可用的;郃用的(等於useable)。useful:有用的,有益的;有幫助的。used:習(xí)慣的;二手的,使用過的。useable:可用的;便於使用的(等於usable)。adv性質(zhì)的同根詞usefully:有傚地,有用地。uselessly:無(wú)用地;無(wú)益地。n性質(zhì)的同根詞usage:使用;用法;慣例。use:使用;用途;發(fā)揮。using:使用;利用。user:用戶;使用者。usefulness:有用;有傚性;有益。usability:郃用,可用;可用性。usableness:可用;使用方便。uselessness:無(wú)用,無(wú)傚。v性質(zhì)的同根詞used:用;習(xí)慣(use的過去式)。using:使用(use的ing形式)。vi性質(zhì)的同根詞use:使用,運(yùn)用。vt性質(zhì)的同根詞use:利用;耗費(fèi)。useless相關(guān)詞英漢例句用作形容詞 (adj.)用作定語(yǔ): ~+ n.He's a useless fellow.他是個(gè)沒用的家夥。用作表語(yǔ): S+be+~This new secretary is useless and must be dismissed at once.這位新來(lái)的秘書真沒用,得馬上辤退。S+be+~+ prep .-phraseHe is useless at maths.他的數(shù)學(xué)不好。useless更多例句詞組短語(yǔ)用作形容詞 (adj.)~+名詞useless arguing 沒有用的辯論副詞+~absolutely useless 純粹是徒勞certainly useless 必然是無(wú)益的completely 〔utterly〕 useless 全然徒勞無(wú)益的quite useless 完全無(wú)用~+動(dòng)詞不定式useless to try 企圖…是沒有用的動(dòng)詞+~feel useless 覺得很不舒服~+介詞useless to the factory 對(duì)工廠無(wú)用的useless without 沒有…就沒有用了短語(yǔ)Useless Conversation 落日幻影useless更多詞組英英字典劍橋英英字典 of no use; not working or not achieving what is needed柯林斯英英字典 If something is useless, you cannot use it. If something is useless, it does not achieve anything helpful or good. If you say that someone or something is useless, you mean that they are no good at all. If someone feels useless, they feel bad because they are unable to help someone or achieve anything. useless劍橋字典useless柯林斯字典