How do you pronounce 篤灰?

Q: How do you pronounce 篤灰? A: duk1 fui1, e.g.

篤灰 (duk1 fui1) — meaning, pronunciation, examples

篤灰 (duk1 fui1, dǔ huī) — to rat on someone; to point someone out as the guilty party [colloquial]

篤底 (duk1 dai2) — bottom-most (spoken)
篤數 (duk1 sou3) — (verb) (of illegal accounting fraud) change the numbers of expenses, costs, etc…
篤波 (duk1 bo1) — billiard; to play pool
篤爆 (duk1 baau3) — to bust (spoken)
篤眼篤鼻 (duk1 ngaan5 duk1 bei6) — annoying; dislike (spoken)
篤穿 (duk1 cyun1) — disclose; to expose