How native speakers pronounce “fierce”

So it's not really surprising that I would grow up to be an elite athlete, a sports medicine doctor, and a fierce advocate for women, right? I mean, check me out.

What Women Athletes Need to Unlock Their Full Potential | Kate Ackerman | TED · TED

Feats of such modest valor, who would suspect them to be exercises in an intimate, fierce discipline, a metaphysics of being relentlessly aware?

4 Powerful Poems about Parkinson's and Growing Older | Robin Morgan | TED Talks · TED

I mean, my nickname was Mouse. I suffered from fierce migraines that would stop me dead in my tracks. And then at 13,

The Roots of Resilience | Misty Copeland | TED · TED

Can I believe in this this passionately? Can I be this fierce about this?" just to be able to stop and, instead of catastrophizing what might happen,

The Power of Vulnerability | Brené Brown | TED · TED

She always created air time for normally avoided matters. With a fierce moral compass that was sometimes incredibly frustrating, she advocated for what was right,

How to Speak Up — Even When You Don’t Want To | Sarah Crawford-Bohl | TED · TED