pa-, N-, ma-
To take cover behind s.t.; to get in front of s.t. or s.o. [pa-]; to hide s.o. or s.t. behind s.t. [ma-]; to conceal or cover s.t. or s.o. [N-].
The reason he was not seen by the soldier was because he took cover behind a big tree.
Why did you hide that man who stole s.t.?
Don't conceal the truth any more about your child stealing.
Who hid that child that the soldiers were looking for?
Don't stand in front of the light because I can't see to sew.
Don't lie (lit. cover s.t.) to me.