Place the very tip of your tongue slightly between your teeth. Blow air gently around it without voicing.

Americans pronounce throughout as throo-OWT (/θruˈaʊt/). Stress falls on the second syllable — keep everything else short and quick. You'll hear it in sentences like "The author is famous throughout the world" or "She took detailed notes throughout the entire meeting" — more examples below.
Record yourself saying "throughout" and play it back. The mic stays on your device — nothing's uploaded.
2 syllables, 5 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
Place the very tip of your tongue slightly between your teeth. Blow air gently around it without voicing.

Curl or bunch your tongue without letting the tip touch the roof of your mouth. Brace the sides of your tongue against your upper back teeth, and round your lips slightly.
Round your lips into a tight circle. Let your tongue rest in the middle of your mouth, slightly raised.
Click any sentence to see the full breakdown — every link, every reduction, every flap-T.
The textbook way isn't wrong — it's just not how anyone actually says it.
In "throughout", the "t" is not released — the articulators get into position but hold without the burst of air. Air stops but there's no release burst — the articulators hold position.
Stress falls on the second syllable, not the others. Stretch OWT — keep everything else short and quick.