1.   I liked the way his lips curved to meet his eyes.

2.   As he taxied to a halt at Aalborg, he saw a small contingent of SD approach, keen and hungry, and his lips curved.

3.   His lips curved in the faintest of smiles.

4.   To her still greater fury, his lips curved into a blatantly mocking smile as he nodded towards her clenched hands.

5.   His lips curved in a barely perceptible smile.

6.   Her lips curved up in a smile.

7.   As she turned the corner, her lips curved.