Possible translations based on context:
* "Peur au..." followed by a noun could mean "fear of..."
* Example: "Peur au chien" translates to "Fear of the dog"
* "Peur au..." followed by a verb could mean "fear to..."
* Example: "Peur au saut" translates to "Fear to jump"
Without more context, it's impossible to provide a definitive translation.
Please provide the full phrase or sentence you are trying to translate.