Her mouth flattened a little and signaled her refusal to answer more questions.

She nodded, her mouth flattened in a grim line.

Very much aware that it was an order, not an invitation, Mary's mouth flattened stubbornly.

Mary's mouth flattened, and she simply refused to answer.

Mary's mouth flattened as she stared at the work he had undone.

Gabriel sat back, his mouth flattened into a line.

His mouth flattened into the line of bitter determination they both knew well.

Livia's mouth flattened into a thin line, not quite a frown.

Bria's mouth flattened and she swallowed the words that came immediately to her mind.

His mouth flattened into a grim line as he lifted the cup.