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

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。
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。
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。
Nobody has yet come forward with any information relating to the girl's death.
还没有人出来提供关于这女孩之死的任何消息。
They have come forward with an offer of help.
他们主动表示要提供帮助。
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。
He crooked his finger: 'Come forward,' he said.
他勾勾手指说：“过来。”
We need the field to advance. We need them all to come forward.
我们需要这一领域不断向前发展，但愿这些制造商都能够更进一步。
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。
Grace appeared in the dining-room light but didn't come forward. "The lady go?" she said.
格雷斯在餐厅的光亮里现身但是没往前走。“那位女士走了吗？”她说。