cough up &I{【俚語】}

To hand over or relinquish (money or another possession), often reluctantly.

勉強交出：掏出或放棄（金錢或其他財產(chǎn)），通常是不情愿地

To confess or disclose

承認或供出

When he saw that the police might arrest him, he coughed up the details of what he had seen.

當他意識到警察也許會逮捕他，才全盤托出他看到的一切

cough something up

(或 cough up)give something reluctantly, especially money or information that is due or required

勉強拿出；勉強給出（尤指到期的錢或需要的信息）