1.fight for 争取;为......而战
I hope they continue to fight for equal justice after I'm gone.
我希望我走了以后他们能继续为司法公正而战
。2.exchange for 交换;换取
It is illegal for public officials to solicit gifts or money in exchange for favors.
公务员通过索要礼物或钱财作为为他人提供便利的交换是违法的
3.plan to 计划;打算
They plan to challenge the constitutionality of the law.
他们计划对该法的合宪性提出质疑
。4.happen to 发生在......身上;发生于
I was afraid for her. I thought something was going to happen to her.
我替她担心,我觉得她要出事
。