be closely linked (/bound up /involved); be one with the fate of;be vitally interrelated; have a close bearing on one another; share the common lot
❍ 敬爱的周总理和人民群众心心相连，～。(《敬爱的周总理我们永远怀念您》 Ⅱ—296) Premier Zhou and the masses were closely linked.
❍ 这正是她眼前急切需要的经验，她感激他对自己的工作的～的、恰当其时的关怀。(周立波《山乡巨变》274)This was precisely the kind of experience of which she was in immediate and urgent need. She was grateful for his most heartfelt and timely concern，…
息息相关
be closely linked;be closely bound up
巴勒斯坦问题同整个中东地区的和平～。The question of Palestine is closely linked to the peace in the entire Middle East region./两国人民的革命事业～。The revolutionary causes of our two peoples are closely bound up./中国的发展与全人类的共同利益～。China’s development is inseparably linked with the common interests of mankind.
息息相关xī xī xiānɡ ɡuān
息息：指呼吸时进出的空气。呼吸相互关连。比喻彼此关系或联系极为密切。be closely linked, share the common lot, be closely bound up with