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

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。
We have had more late-breaking clinical trials than ever before with lots of new sciences come forward.
最新临床试验也较以往要多，许多新兴科学也得到了发展。
More unusual is her refusal to come forward to offer her evidence.
更加怪异的是她拒绝出来向世人提供她的证据。
Gray and Hunter were the first to come forward.
格雷和亨特首先站了出来。
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。
Later in this service, you will be invited to come forward to receive ashes on your forehead.
在崇拜之后，您将被邀请前来，我们将会用炉灰沾在您的额头上。
My Beloveds all of this negative stuff must come forward.
亲爱的，所有这些负面内容必须浮现出来。
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。
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。
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。