«كَالْمُسْتَجِيرِ مِنَ الرَّمْضَاءِ بِالنَّارِ»
Like someone who flees the scorching ground only to seek shelter in fire.
The familiar expression illustrates escaping one hardship by falling into something worse. A brief reference to it in a later poem can summon the whole conventional image or its associated story.
Successful talmih requires more than recognizable words: the audience must know enough of the background to recover the intended implication.