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Phrase(s): paper over the cracks (in something)
Fig. to try to hide faults or difficulties, often in a hasty or not very successful way. (Based on paper over something W.) • The politician tried to paper over the cracks in his party’s economic policy. • Tom tried to paper over the cracks in his relationship with the boss, but it was not possible. • She didn’t explain it. She just papered over the cracks.
McGrawhill's American Idioms And Phrasal Verbs