any port in a storm 慌不择路；风暴来时不择港；穷途之策

【例句】
John's plan isn't ideal, but any port in a storm.
John的方案并不理想，但总比没有强。

He hates his job, but he can't get another. Any port in a storm, you know.
他不喜欢自己的工作，但他也没有别的可做。要知道，病急乱投医嘛。