1.   He compressed his lips in silent offence.

2.   His lips were compressed into a thin line as he awaited some explanation.

3.   The woman compressed her lips and resisted picking it up.

4.   Tillman compressed his lips and, with a butter knife, dug at a smudge of paste stuck to his tee shirt.

5.   Lips compressed into a thin line of tension, she strode along the corridor and into her office, wrinkling her nose at the musty smell of stale air.

6.   They were like chips of blue ice, his lips compressed into a thin line.