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。
Please, come forward, whoever you are.
不论你是谁请你过来。
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。
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。
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。
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。
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。
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。
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。
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。