Touch the tip of your tongue to the roof of your mouth just behind your teeth. Add vocal cord vibration as you release.

Americans pronounce die as DAHY (/daɪ/). You'll hear it in sentences like "The drought caused the crops to wither and die".
Record yourself saying "die" and play it back. The mic stays on your device — nothing's uploaded.
1 syllable, 2 sounds. Explore each sound's mouth shape and how it's made.