through thick and thin
无论情况如何都坚定不移地支持、陪伴或支援
口语·表达忠诚陪伴
英文释义
in all circumstances, both good and bad
例句
We've been friends through thick and thin, and I'll always have your back.
典故来源
源自古英语短语，原指穿越茂密森林和稀疏地带，引申为无论艰难或顺利都坚持。