become one flesh with ...
…と一心同体になる;結婚する
become president [chairman, king]
大統領[議長,国王]になる
become [grow] restless
そわそわし始める
become the center of attention [attraction]
注目の的になる
become the nucleus of the team
チームの中心となる
become [get, be] unglued
気が動転する,かっとなる;失敗する
become vindictive toward each other
互いに執念深くなる