345　hide和conceal

① hide为普通词，有意或无意地藏都可以。

The snow hid the footprints of the criminal. 大雪盖住了罪犯的脚印。

② conceal为正式词，往往是故意的。

The criminal tried to conceal the bloody knife in the snow. 罪犯企图把血淋淋的刀在雪中藏匿起来。

You can not conceal your plan with George from me because I know the inside out from the beginning. 你和乔治的计划瞒不住我，从一开始我就透彻了解了。