This is the 5345th most frequent Chinese word.
交上
"交上" means "to submit" or "to hand in."
In this sentence, '交上' signifies the action of submitting, specifically the act of delivering an item to an authority for processing.
学生们跑去图书管理员那里交上了他们的借书卡。
The students went to the librarian to submit their library cards.
Here, '交上' denotes the action of forming relationships, representing a figurative sense of undergoing or establishing connections.
当他努力勇敢面对挑战时,他最终交上了很多可贵的朋友。
While bravely facing challenges, he eventually made many valuable friends.
In this context, '交上' again conveys submission or handing over an item, emphasizing the completion and readiness of the delivered item.