gosh

used to show surprise, shock, or embarrassment

¡vaya!, ¡ay!

• Gosh, I didn't realize it was so late.

  ¡Vaya!, no me di cuenta de que era tan tarde.

used to show that you are surprised by something good or bad, or when you do not know what to say

¡vaya!, ¡ay!

• Gosh, that's a lot of money.

  ¡Vaya!, eso es mucho dinero.