
I don't particularly excel
at reading FACIAL expressions...
The Big Bang Theory Season 2, Episode 21

I'm not the best at reading FACIAL cues...
The Big Bang Theory Season 8, Episode 8

I could deduce by his FACIAL expression
and body language that he was sad.
The Big Bang Theory Season 10, Episode 16

It requires 34 FACIAL muscles
and 112 postural muscles.
The Big Bang Theory Season 4, Episode 21

...and did so
using a stern FACIAL expression.
The Big Bang Theory Season 4, Episode 24