1ADJ-GRADED (衣服、地毯等)破旧的,磨薄的,陈旧的Threadbare clothes, carpets, and other pieces of cloth look old, dull, and very thin, because they have been worn or used too much. (衣服、地毯等)破旧的,磨薄的,陈旧的
She sat cross-legged on a square of threadbare carpet.
2ADJ-GRADED (活动、想法、论点)无力的,不充分的,陈旧乏味的 If you describe an activity, an idea, or an argument as threadbare, you mean that it is very weak, or inadequate, or old and no longer interesting. (活动、想法、论点)无力的,不充分的,陈旧乏味的