兄弟同心，其利断金。【英】

When brothers are of the same mind; they have the power to cut through a piece of metal.

译文来源

http://www.fmprc.gov.cn/mfa_eng/wjdt_665385/zyjh_665391/t1329613.shtml

例句

1. 兄弟同心，其利断金。——《共同谱写中越友好新篇章——习近平在越南国会的演讲》

1. When brothers are of the same mind, they have the power to cut through a piece of metal.—Quoted from Work Together to Write a New Chapter of China-Vietnam Friendship