to conceal

• 隐瞒真相

  conceal the truth

• 隐瞒罪行

  conceal a crime

• 隐瞒自己的企图

  conceal one's plans

• 毫不隐瞒地都说了

  say completely frankly

• 反对隐瞒缺点

  oppose the concealment of faults

• 他把最主要的隐瞒了。

  He concealed the most important bit.

• 别想在他面前隐瞒。

  Do not try to conceal anything in front of him.