to betray someone after pretending to support them
предать кого-то, притворяясь, что поддерживаешь (predat' kogo-to, pritvoryayas' chto podderzhivayesh)
"He promised to help but double-crossed me in the end."
"Он пообещал помочь, но в конце предал меня." (On poobeshchal pomoch', no v kontse predal menya)
to accept things as they come; not resist change
to think of a plan, idea, or solution
to take responsibility for doing something important
to greet someone very kindly and enthusiastically
it's not difficult to understand
to cause someone to have a new thought or idea