站出来, 自告奋勇, 主动响应

字博缘文学网在线英汉词典

come forward的短语、例句：

come forward present oneself 站出来; 自告奋勇; 挺身而出
come forward with help, information, money 自告奋勇提供帮助、 信息、 金钱
Police have asked witnesses of the accident to come forward. 警方要求事故的目击者挺身而出予以协助.