手拉手
if two people are hand in hand, they are holding each other's hand
密切關聯;相連帶
if two things go hand in hand, they are closely connected and one thing causes the other
Poverty and poor health often go hand in hand.貧困和健康不良常有連帶關係。
釋義來自《牛津高階英漢雙解詞典》第 9 版