ladies (n.)
lady 的复数形式（参见 lady）。Ladies' night（女士之夜）最初是指邀请女性参加男性俱乐部的任何活动。
Every succeeding occasion is usually said to be "the best ever," but for true pleasure, comfort and genuine enjoyment it is doubtful if any occasion has been more truly "the best ever" than the ladies' night of the Paint, Oil and Varnish Club of Chicago, which was given in the Crystal ballroom of the Blackstone Hotel, Chicago, Thursday evening January 26. ["Paint, Oil and Drug Review," Feb. 1, 1911]
每一次活动通常都被称为“有史以来最好的”，但对于真正的愉悦、舒适和真正的享受，芝加哥油漆、油和清漆俱乐部的女士之夜，可能是“有史以来最好的”之一。该活动于1911年1月26日星期四晚在芝加哥布莱克斯通酒店的水晶舞厅举行。["Paint, Oil and Drug Review," Feb. 1, 1911]