He frowned at it; a complicated process, coordinating that many facial muscles.

I try hard to smile; my facial muscles weak against the wind.

He was having trouble keeping his facial muscles from betraying his astonishment.

Adam forced himself to relax his body and facial muscles a little.

The man stared unblinkingly at her and his facial muscles never moved.

Ben Franklin stood firm, chin outthrust, taut facial muscles containing his emotions.

Hewer sits back, sips his coffee and lets his facial muscles relax.

The Surgeon's facial muscles were too well trained to feel any strain.

Her eyes are open, but blank, and her facial muscles are slack.

A corpse's facial muscles can either contract horribly or relax in perfect repose.

Her facial muscles tightened at the mention of her son's name.

A proper training of the facial muscles makes this dilation possible.

The name seemed to set off a ripple in Ella Montrose's facial muscles.

He curbed the smile that was twitching at his facial muscles.

Hao An's expression is still inscrutable, but occasionally his facial muscles tighten slightly.

Alkad could feel his facial muscles shifting into a small smile.