to deceive; to cheat (sb)

to conceal or deceive in a report; to falsify by over- or underreporting

to deceive; to conceal

cannot conceal (a matter) from (sb)

to deceive one's superiors and bully one's subordinates (idiom)

enormous lie; whopper

to cross the sea by a trick (idiom); to achieve one's aim by underhanded means

to blot out one's conscience