He tried to varnishover the facts, but it was useless.
他想粉饰事实,但那是徒劳的。
《新英汉大辞典》
2
He tried to varnishover the truth with a lie.
他试图用谎言来掩盖真相。
3
Furthermore, the designs were covered with "desert varnish", a glaze that develops on rock surfaces over thousands of years of exposure to the elements.