I have to accept their decision.
我只好听从他们的决定了。
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今天的几个句子还是有关表达无奈的:1. I'm resigned to may fate.听天由命吧。2. I've become reconciled to their arrangement.我只好听从他们的安排了。3. I must admit that there's little hope of his permission.我得承认获得他的许可没什么指望了。