YOU SAID:
Wow such nice weather
INTO JAPANESE
うわー、このような天気の良い日
BACK INTO ENGLISH
Wow!, weather permitting
INTO JAPANESE
うわー! ↑
BACK INTO ENGLISH
/(int) Wow!/Holy smokes!/Aaargh!/O my God!/oops/oops
INTO JAPANESE
うわ
it is unlikely that this phrase will ever reach equilibrium