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threadbare + (literal noun)
用于描述衣物、布料等因长期使用而磨薄、破旧。
He wore a threadbare coat.
他穿着一件磨薄了的外套。
(布、衣服等)磨薄的，露线的；破旧的
先理解核心含义，再看它在真实句子里的用法。
(布、衣服等)磨薄的，露线的；破旧的
(of cloth, clothing, or furnishings) worn so thin that the threads show; shabby.
He wore a threadbare coat.
他穿着一件磨薄了的外套。
磨损到绒毛损伤、经纬线裸露的；破旧的。
Of cloth, clothing, furnishings, etc.: frayed and worn to an extent that the nap is damaged and the warp and weft threads show; shabby, worn-out.
状况差；破损、破旧；亦指装备不足、供应匮乏,不充分,贫乏,稀少。
In poor condition; damaged, shabby; also, poorly equipped or provided for, inadequate, meagre, scanty.
使用过于频繁而不再有效或有趣的；陈腐的,老套的,平庸的。
Of an argument, excuse, etc.: used so often that it is no longer effective or interesting; banal, clichéd, trite.
缺乏实质内容或佐证不足的论点或主张。
An argument or assertion with little in the way of substance or supporting evidence.
After years of use, the carpet in the hallway looked threadbare and faded.
经过多年的使用，走廊里的地毯看起来磨薄露线、褪色了。
His threadbare jeans were full of small holes, yet he still wore them every weekend.
他那条磨薄的牛仔裤布满了小洞，但他每个周末还是穿着它。
The tent fabric was so threadbare that light shone through it.
帐篷的布料磨得太薄了，光都能透进来。
用于描述衣物、布料等因长期使用而磨薄、破旧。
He wore a threadbare coat.
他穿着一件磨薄了的外套。
用于比喻论点、借口、故事等陈旧乏味、毫无新意。
That's a threadbare excuse.
那是个陈腐的借口。
系表结构，可表示字面或比喻义，需根据上下文判断。
The carpet is threadbare.
地毯已经磨薄了。
Not this
He threadbare his trousers.
Use this
His trousers are threadbare.
threadbare 是形容词，不是动词。学习者可能误将其用作动词，应改为系表结构：主语 + be + threadbare。
Not this
He is threadbare.
Use this
His clothes are threadbare.
threadbare 通常修饰衣物或布料，不直接修饰人。受中文表达“他衣着褴褛”的影响，学习者可能直接说 He is threadbare，但英语中应改为 His clothes are threadbare。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
磨破露线的地毯
The hotel room had a threadbare carpet and faded curtains.
旅馆房间的地毯磨破了，窗帘也褪色了。
破旧的衣服
He wore threadbare clothes but kept his dignity.
他穿着破旧的衣服，但保持着尊严。
老掉牙的借口
She gave a threadbare excuse for missing the meeting.
她为没开会找了一个老掉牙的借口。
陈腐乏味的论点
His threadbare argument convinced no one.
他那陈腐乏味的论点没有人信服。
老套的情节
The movie's threadbare plot was saved by strong acting.
这部电影老套的情节靠出色的表演得到了弥补。
老套的借口；陈腐的借口
He gave a threadbare excuse for not finishing the report.
他为没完成报告找了个老套的借口。
陈腐的论点；老生常谈的理由
The professor dismissed the threadbare argument without discussion.
教授没有讨论就驳回了那个陈腐的论点。
老套的情节；俗套的情节
The film's threadbare plot made it hard to stay awake.
这部电影老套的情节让人很难不打瞌睡。
Use threadbare naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
thread(线)+bare(裸露)：衣服磨到经纬线裸露→破旧的；论点用到“露线”穿帮→陈腐的。
语域：neutral 常见场景：衣物、布料磨损露线、论点、借口等陈旧空洞 该词多用于书面或文学性描写；形容布料、衣物磨薄露线、破旧，也可引申为论点、借口等陈腐空洞或缺乏新意，口语中较少用。
通常用作定语或表语，描述衣物磨损或事物陈旧乏味。
Dictionary facts from ECDICT, WIKTIONARY.