1.   Her bottom lip began to quiver, and she turned away to hide her tears.

2.   Her bottom lip trembled and she started to cry.

3.   Her teeth sank into her bottom lip, biting back a cry, and she winced.

4.   His bottom lip was swollen.

5.   However, their bottom lips still quiver when the ball is stolen from them.

6.   Kate chewed on her bottom lip.

7.   She drew in her breath sharply and bit down hard on her bottom lip in an effort not to cry out.

8.   She looked up at him expectantly, her mouth open, the bottom lip raised, almost brutal in what it implied.