come forward

英 [kʌm ˈfɔːwəd]

美 [kʌm ˈfɔːrwərd]

自告奋勇; 主动提供（信息）

柯林斯词典

PHRASAL VERB 自告奋勇;主动提供(信息)
If someonecomes forward, they offer to do something or to give some information in response to a request for help.
1. A vital witness came forward to say that she saw Tanner wearing the boots.
  一位非常重要的证人站出来说她看见坦纳穿着那双靴子。

verb

make oneself visible
1. Young people should step to the fore and help their peers
Synonym:come to the forestep forwardstep upstep to the forecome out

I should have come forward to the police and told them what we'd done.
我应该去警察局自首并告诉他们我们所做的事情。
The people kindly made way for the poor man, so that he could come forward.
人们友好地为那个可怜的人让路，好让他走到前面来。
If he's willing to come forward on our behalf, we're sure to succeed.
他要肯出头，咱们这件事准能成功。
All patriots belong to one big family, whether they rally to the common cause early or late.; All patriots belong to one big family, whether they come forward early or late.
爱国一家，爱国不分先后。
Please, come forward, whoever you are.
不论你是谁请你过来。
We let them come forward and cross the hedge, then we blew them apart.
我们会让敌人前进越过树篱，然后把他们切开。
It is thanks to this committee that many new sponsors have come forward
又有许多赞助商找上门来，这要归功于这个委员会。
Police said that several people had come forward with information about the attack.
警察说已经有好几个人提供了关于这次袭击的信息。
No witnesses have come forward.
没有目击证人站出来。
As I call your name, please come forward and tell us about your Christmas wish.
在我叫道你的名字时，请走到前面来，告诉我们你的圣诞愿望。