paper over

1．cover over with paper用纸遮盖

A number of stains on the wall were papered over．墙上的一些污迹被纸糊盖起来了。

2．conceal掩盖

They tried to paper over the differences between union and management， but the agreement did not last for long．他们试图掩盖工会和资方的差异，但协议并没延续多久。