比如：I’m really tired. I think I’m going to turn in early.My parents rarely turn in after 10 PM. (我父母很少在晚上十點後就寢。)
比如：The man turned himself in after he killed his wife.
She turned her son in after she realized what he had done.當這個意思時則一定要將人放在 turn 和 in 的中間
Twenty years went by, and the little boy has turned into a handsome young man.
The magician turned the flower into a rabbit.