Simple:
* The child clung tightly to her mother's hand.
* The wet clothes clung to his body.
Figurative:
* Hope clung to her like a lifeline in the storm.
* The scent of cinnamon clung to the air, reminding her of her grandmother's kitchen.
Complex:
* Despite the chaos, the team clung to their belief that they could win the game.
* The old man, his face etched with wrinkles, clung to the memories of his youth.
Informal:
* I clung to my phone all day, checking for updates.
* He clung to the idea that he could still be successful, despite the odds being against him.
Let me know if you'd like to see more examples!