Russian-English translations for разочарова́ние

• disappointment
  Our trip to California was a disappointment
  What a disappointment
• disillusionment
• drag
  When designing cars, manufacturers have to take drag into consideration.
  Travelling to work in the rush hour is a real drag.
  to run a drag
• let-down
  After seeing all the advertisements, the show itself was quite a let-down.