Meanwhile , an already threadbare safety net keeps thinning .

同时，一张已被久经磨损的安全网单薄依旧。

Threadbare sales had prompted some onlookers to question whether all the exhibitors would still be around come autumn .

陈腐的销售使一些旁观者产生疑问，到秋天的时候所有这些参展商还会再来吗？

In their threadbare logic and refusal to acknowledge moral complexity , these views are almost interchangeable .

这两种观点在缺乏逻辑和拒绝承认道德的复杂性方面，可谓半斤八两。

Our affection for him needs no threadbare explanation .

我们对他的爱戴不需要作老生常谈的说明。

And many see the current un conference as the last chance to shore up an increasingly threadbare nuclear non-proliferation treaty .

而在许多人看来，本次联合国会议是支持越来越显得陈腐的“核不扩散条约”的最后机会。