come forward

涌现, 主动地响应要求做某事

例句与用法：

No one has come forward with information about the murder.

没有一个人站出来提供有关谋杀的情况。

Police have appealed for witnesses to come forward.

警方呼吁目击者挺身而出。

Many activists have come forward.

涌现了大批积极分子。

详细释义：

1. 自告奋勇; 站出来

Only one witness of the accident has come forward.

只有一人站出来为这次事件作见证。

2. (建议等)被提出讨论

The matter will come forward at the next meeting.

这件事将在下次会议上讨论。