穿一条裤子 chuān yī tiáo kùzi
(1) [have common interests]∶比喻两人关系密切,利害一致
贪官和这些奸商穿一条裤子
(2) [have common opinion]∶遇事持同样的态度
你们穿一条裤子,早编好了哄我的话。——刘绍棠《田野落霞》
比喻两人情谊深厚,祸福共当。
如:「他们俩是穿一条裤子长大的,感情好得很。」
英语 (of male friends) to have been through thick and thin together, to be like family, to share the same view of things