短语词组短语testify y to 表明To testify to 持有证据;作证testify to truth 柳府甫testify to phrase 证实testify to sth detail 为什么作证testify to sb 为testify to sth 为什么作证testify to testify to 证实would you testify to that 你能上法庭作证吗 返回 testify to