become enemies

基本解释

In the fluid world of Ukrainian politics, allies become enemies and vice versa.
在变幻莫测的乌克兰政坛，没有永远的同盟，也没有永远的敌人。
Because of love, so it will not become enemies; because of injury, so I will not be friends.
因为爱过，所以不会成敌人；因为伤过，所以不会做朋友。
The enemy becomes a comrade in arms mostly to survive, his comrades become enemies mostly for money.
敌人变成战友多半是为了生存，战友变成敌人多半是为了金钱。

For many reasons: interests change, enemy nations become friends and friends become enemies.
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