Round your lips into a tight circle. Lift the back of your tongue toward the soft palate and add voice.

Americans pronounce worse as WURS (/wɜrs/). You'll hear it in sentences like "Do you fear the storm will get worse?" or "The traffic around here has gotten noticeably worse lately" — more examples below.
Record yourself saying "worse" and play it back. The mic stays on your device — nothing's uploaded.
1 syllable, 3 sounds. Explore each sound's mouth shape and how it's made.
Round your lips into a tight circle. Lift the back of your tongue toward the soft palate and add voice.

Flare your lips and push them away from the face. Lift the middle of your tongue toward the roof of the mouth.

Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.

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.
Americans use a relaxed retroflex R — the tongue curls back rather than rolling. The R is one continuous sound with the vowel before it, not two separate sounds.