隱瞞
conceal; cover up; hide
可以～一時，但不能永遠(yuǎn)～。You can conceal the truth for some time but not forever./毫不～hold back nothing; have nothing to hide(or conceal)/～錯誤conceal (or cover up)one’s mistakes/～事實withhold (or conceal,hide,hold back) the truth; nondisclosure /～真相suppress (or withhold) the truth