English ⇄ Russian

hoo-boy stresses
slang	ух!; уф! (выражение удивления, испуга, радости, усталости и т.п., содержащее известную долю иронии, насмешки)
hoo, boy!
inf.	та ну (a term used to mean "I'm tired," "I've had enough," "I can't believe it," and any number of other negative emotions (с) Liv Bliss)