How To Pronounce Phew

In British English, phew is pronounced /fjuː/. The narrow phonetic transcription is [fj̥ʷuː]. In American English, it is pronounced /fjuː/.

Phew has one syllable. British and American speakers say it the same way.

Slashes / / show the phonemic transcription, the sounds that change meaning. Square brackets [ ] show the phonetic transcription, with the finer detail of how the sounds are actually made.