They used to walk, they used to swim, they used to fly with a toothy grin.

它们常常行走，它们常常游泳，它们常常咧着嘴笑着飞。

They've found God, reached a level where they wear a big toothy grin on their faces that won't crack.

他们找到了上帝，升到了一个层次能够咧齿不崩脸的微笑。

Nine-year-old Kate Middleton shows her true colors - and a toothy grin - in a photo taken at prep school around 1991.

9岁的凯特·米德尔顿本色出镜——一个露齿的微笑——这张照片摄于1991年左右她就读小学的时候。

Using a motion-capture system, the robot, called Geminoid TMF, can move its rubber face to imitate a smile, a toothy grin, and a grim look with furrowed brows.

这款名为Geminoid TMF的机器人利用一个动作捕捉系统，使她的橡胶制成的脸庞可以动起来，从而模仿出微笑、露齿笑和皱眉头的严峻表情。

He was on top of her back, pushing and grunting, and she lay on her stomach, her face turned toward mine. Her green mouth gaped, and when she saw me spying, she flashed me a toothy grin.

他骑在她背上，推搡着，咕哝着，她俯卧在地，脸朝向我，绿色的嘴开合着，看到我在看，就朝我露齿一笑。

With her Cheshire cat look, Saraswati used an app to edit her eyes and an impressive amount of make up and face paint to complete the rest of the look, including the cat's signature toothy grin.

柴郡猫的猫咪形象装扮好后，萨拉瓦蒂用应用编辑了眼睛， 脸部施以重彩浓墨，完成剩余包括猫咪露齿而笑在内的妆容。