cough it up
cough是咳嗽，但是cough up这个短语却有很多不同的意思cough up something
第一可以指让对手领先比赛to allow an opponent to take the lead in a competition.
例句：Sele got a 3—0 lead in the second inning（局） but then coughed it up in the third.
第二可以指不情愿地把钱物交出来to pay money unwillingly.
To hand over or relinquish (money or another possession) reluctantly.
例句：I had to cough up $35 for administration fees
.Martinez's lawyers knew the banks had the money,and pushed them to cough it up.
最后可以指坦白揭露To confess or disclose:
例句：When he saw that the police might arrest him,he coughed up the details of what he had seen.