can’t/couldn’t seem to do something
From Longman Dictionary of Contemporary Englishcan’t/couldn’t seem to do somethingcan’t/couldn’t seem to do somethingFAILused to say that you have tried to do something but cannot do it I just can’t seem to relax. → seemExamples from the Corpuscan’t/couldn’t seem to do something• I just can't seem to come up with lyrics for this song.