404. That’s an error.

The requested URL /translate_c?depth=1&tl=ja&u=https://dic.nicovideo.jp/a/%E6%97%A5%E5%B8%B8%E3%81%AE%E9%96%A2%E9%80%A3%E9%A0%85%E7%9B%AE%E4%B8%80%E8%A6%A7 was not found on this server. That’s all we know.