paper over something
phrasal verb with paper verb [ T ] uk/ˈpeɪ.pər/ us/ˈpeɪ.pɚ/
掩盖（尤指问题或分歧）
to hide an unpleasant situation, especially a problem or disagreement, in order to make people believe that it does not exist or is not serious
He tried to paper over the country's deep-seated problems. 他试图掩盖该国一些根深蒂固的问题。