How do you pronounce 效顰?

Q: How do you pronounce 效顰? A: haau6 pan4, e.g.

效顰 (haau6 pan4) — meaning, pronunciation, examples

效顰 (haau6 pan4, xiào pín) — to blindly copy; crude imitation; to mimic someone awkwardly

效能 (haau6 nang4) — (noun) Function
效力 (haau6 lik6) — (noun) Potency of; (verb) 1. Serve to (organisation etc.)
效 (haau6) — effect; efficacy; to imitate
效價 (haau6 gaa3) — potency; titer (measure of effective concentration in virology or chemical path…
效價能 (haau6 gaa3 nang4) — potency; titer (measure of effective concentration in virology or chemical path…
效勞 (haau6 lou4) — to serve (in some capacity); to work for