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

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。
Gray and Hunter were the first to come forward.
格雷和亨特首先站了出来。
No witnesses have come forward.
没有目击证人站出来。
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。
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。
Please, come forward, whoever you are.
不论你是谁请你过来。
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。
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。
He crooked his finger: 'Come forward,' he said.
他勾勾手指说：“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。