become one flesh

例句：

1. 1. They became one flesh after years of marriage.
   他们结婚多年后变得亲密无间。
2. 2.The couple became one flesh when they decided to have a baby together.
   这对夫妇决定一起生孩子时，变得亲密无间。
3. 3. After the divorce, they both realized how much they had become one flesh.
   离婚后，他们都意识到他们之间有多么亲密无间。