A coronal is a sound that is pronounced using the tip or the upper part of the tongue.

Retroflex sounds are difficult to pronounce.

Retroflex is a phonetic feature that does not exist in Japanese.

Pronouncing the palatal sounds in Japanese is difficult.

A dorsal sound is a sound that is pronounced by the back of the tongue approaching or touching the palate or pharynx.

This word is affected by the sound shift.

He is an expert in orthoepy, teaching pronunciation.

This room is covered with soundproofing material, so the sound doesn't leak outside.

He honked the car horn to get my attention.

He was working on that project round the clock.