How do you pronounce 頑疾?

Q: How do you pronounce 頑疾? A: waan4 zat6, e.g.

頑疾 (waan4 zat6) — meaning, pronunciation, examples

頑疾 (waan4 zat6, wán jí) — stubborn illness; chronic disease; (fig.) deep-seated problem; systemic issue

頑固派 (waan4 gu3 paai3) — the diehards
頑強 (waan4 koeng4) — firm and determined
頑抗 (waan4 kong3) — resist with persistance
頑敵 (waan4 dik6) — a stubborn enemy; a tough enemy; an inveterate foe
頑皮 (waan4 pei4) — cheeky
頑石點頭 (waan4 sek6 dim2 tau4) — literally: 'even a piece of stone would have been moved', to be so patient and …