to increase the price of something
повышать цену чего-либо (povyshat' tsenu chego-libo)
"Vendors plan to mark up prices during the festival."
"Продавцы планируют повысить цены во время фестиваля." (Prodavtsy planiruyut **povyisit' tseny** vo vremya festivallya.)
to become crazy or mentally unstable
extremely pleased or happy
when news becomes public or is first reported
to show others how to do something by demonstrating it yours...
a very good and honest person
start working efficiently or properly