the quality of being no longer new or fresh, usually as a result of being kept for too long

Employees had to remove any food they suspected of staleness from the shelves. 员工必须从货架上移除所有怀疑变质的食品。

She smelt the staleness of alcohol on his breath. 她从他的呼吸中闻到了酒精的腐味。

the quality of being boring because of being too familiar

Their relationship was beginning to show signs of staleness. 他们的关系开始出现僵化的迹象。

The staleness of familiarity was taking its toll on the band. 过分熟悉导致的缺乏新意对乐队产生了影响。

the condition of having lost interest in what you are doing because you are bored or are working too hard

He was quick to recognise the dangers of staleness and mental fatigue on such a long tour. 他很快就意识到在如此漫长的巡演中烦腻和精神疲劳的危险性。

There's a bit of staleness in the team, and maybe a new coach would bring some freshness. 球队有些僵化，也许新教练会带来一些新鲜感。