This is the audio exerpt of zʲ spoken within a word. It may sound a little short or unclear, but that's exactly how it's in the real context. For more details, read the below explanation of pronunciation and listen example words that contain zʲ by pressing the word buttons.
1. Break the airflow by touching your alveolar ridge with the tip of your tongue.
2. Push the air through the interruption to produce an audible friction of the air.
3. Vibrate your vocal cords.
4. Additionally raise the central part of your tongue to make the sound softer.