hand in one's resignation

He remembered fondly the Christmas morning opening of presents.

There’s a similar level of craftsmanship on display in a subsequent nighttime raid on the stronghold and in the movie’s darkest and most Spielbergian sequence, in which the apes are forced to strangle one of their own while trying to keep quiet in a human encampment

Paul muttered, shaking his head in annoyance. “I don't approve of this!” Bonnie guiltily lowered her head and trotted out of the room, while Jack just grinned broadly at his stepfather. “But I had to tell him he's a double-uncle,” he defended his actions. “And I have a couuuuuuuuusin!”