Touch the front of your tongue to the roof of your mouth, then release into a 'sh' position. Flare your lips.

Americans pronounce choice as CHOYS (/tʃɔɪs/). You'll hear it in sentences like "Make a choice" or "Avoid the poison and enjoy the choice oil" — more examples below.
Record yourself saying "choice" 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.
Touch the front of your tongue to the roof of your mouth, then release into a 'sh' position. Flare your lips.

Start with rounded lips and tongue shifted back. Glide to relaxed lips with the tongue arching forward and up.
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.