19.It is hard to please all. 众口难调。
20.Out of sight,out of mind. 眼不见，心不念。
21.Facts speak plainer than words. 事实胜于雄辩。
22.Call back white and white back. 颠倒黑白。
23.First things first. 凡事有轻重缓急。
24.Ill news travels fast. 坏事传千里。
25.A friend in need is a friend indeed. 患难见真情。
