fā​shēng

vocalize

发声 (發聲) fā​shēng
vocalize verb
to produce a sound or use the voice

This instrument produces sound through air vibration.

voice opinions verb
to articulate views, demands, or concerns publicly

On this social issue, we need more people to speak out.

Frequency

Movie subtitles
1.64 per million appears in 1% of films
Written text
2.26 per million

Sources

Definitions
CC-CEDICT