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

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。
He crooked his finger: 'Come forward,' he said.
他勾勾手指说：“过来。”
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。
Ben, I want whoever's responsible to come forward.
本，我希望不管是谁的责任，他都能够站出来。
They have come forward with an offer of help.
他们主动表示要提供帮助。
If someone would like to come forward to help with the school trip we should be extremely grateful.
如果有人愿意资助学校的旅行的话，我们将感激不尽。
Investigations have ground to a standstill because no witnesses have come forward.
调查陷入停滞，因为没有证人站出来。
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。
Please, come forward, whoever you are.
不论你是谁请你过来。
Gray and Hunter were the first to come forward.
格雷和亨特首先站了出来。