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。