Alternatively, it's a simple : thmyl → lymht hkr → rkh Vip → piV fry → yrf fayr → ryaf jwahr → rhawj → not making sense.
: The phrase might be a simple shift of 5 forward (ROT5) on letters? Check: t (20) +5 = y (25) → y h (8) +5 = m (13) → m m (13) +5 = r (18) → r y (25) +5 → d (4? Wrap 25+5=30→30-26=4→d) l (12) +5 = q (17) → q → ymrdq (no). thmyl hkr Vip fry fayr jwahr
Given no obvious decryption, perhaps the string in a non-English language or a name. Example: thmyl could be a name (Thmyl — not known), hkr might be an abbreviation, Vip is English, fry English, fayr (archaic for fair), jwahr unknown. Alternatively, it's a simple : thmyl → lymht