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

He crooked his finger: 'Come forward,' he said.
他勾勾手指说：“过来。”
Those who do not come forward should be hunted down
对于那些不肯自首的罪犯应予缉拿归案。
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。
Please, come forward, whoever you are.
不论你是谁请你过来。
Faculty and Student Council representatives will come forward to wash each other's feet.
老师和学生会代表将会上前来彼此洗脚。
Several scholars have already come forward, calling the claims unfounded and contradictory to basic tenets of christianity.
有几位学者已经发表了他们的看法，他们称这些说法都是毫无根据的，并且和基督教基本教义相冲突。
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。
The police have appealed to anyone with information to come forward and talk to them.
警察呼吁所有知情的人来和他们谈谈。
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。
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。