When learning how to pronounce "obsequious," it is important to remember that the emphasis should be placed on the second syllable. The correct pronunciation is "ohb-SEE-kwee-uhs".

The first syllable, "ob," should be started with your lips slightly rounded and your tongue slightly raised. The sound should be held for a moment and then released.

The second syllable, "sequi," should be pronounced with your mouth open and your tongue curled at the back. The sound should be slightly drawn out and should be emphasized.

The third syllable, "ous," should be spoken with your mouth slightly opened and your tongue raised. The sound should be held for a moment before being released.

To practice, try saying the word several times out loud and enunciating each syllable clearly. If you need additional help, consider working with a speech coach or watching online tutorials. With enough practice, you should be able to master the correct pronunciation of "obsequious."