English Chinese (Simplified)
Could not resolve proxy. The given proxy host could not be resolved. 无法解析代理。无法解析给定的代理主机。
Could not resolve host. The given remote host was not resolved. 无法解析主机。给定的远程主机未解析。
Failed to connect() to host or proxy. 无法将 connect（） 连接到主机或代理。
The server sent data libcurl could not parse. This error code was known as CURLE_FTP_WEIRD_SERVER_REPLY before 7.51.0. 服务器发送的数据 libcurl 无法解析。此错误代码在 7.51.0 之前称为 CURLE_FTP_WEIRD_SERVER_REPLY。
We were denied access to the resource given in the URL. For FTP, this occurs while trying to change to the remote directory. 我们被拒绝访问 URL 中给出的资源。对于 FTP，在尝试更改到远程目录时会发生这种情况。
While waiting for the server to connect back when an active FTP session is used, an error code was sent over the control connection or similar. 在使用活动 FTP 会话时等待服务器重新连接时，通过控制连接或类似连接发送错误代码。
After having sent the FTP password to the server, libcurl expects a proper reply. This error code indicates that an unexpected code was returned. 将 FTP 密码发送到服务器后，libcurl 需要正确的回复。此错误代码表示返回了意外代码。
During an active FTP session while waiting for the server to connect, the CURLOPT_ACCEPTTIMEOUT_MS (or the internal default) timeout expired. 在等待服务器连接的活动 FTP 会话期间，CURLOPT_ACCEPTTIMEOUT_MS（或内部默认）超时已过期。
Libcurl failed to get a sensible result back from the server as a response to either a PASV or a EPSV command. The server is flawed. Libcurl 未能从服务器获得合理的结果作为对 PASV 或 EPSV 命令的响应。服务器有缺陷。
FTP servers return a 227-line as a response to a PASV command. If libcurl fails to parse that line, this return code is passed back. FTP 服务器返回 227 行作为对 PASV 命令的响应。如果 libcurl 无法解析该行，则会传回此返回代码。
An internal failure to lookup the host used for the new connection. 查找用于新连接的主机的内部故障。
A problem was detected in the HTTP2 framing layer. This is somewhat generic and can be one out of several problems, see the error buffer for details. 在 HTTP2 成帧层中检测到问题。这在某种程度上是通用的，可能是几个问题之一，有关详细信息，请参阅错误缓冲区。
Received an error when trying to set the transfer mode to binary or ASCII. 尝试将传输模式设置为二进制或 ASCII 时收到错误。
A file transfer was shorter or larger than expected. This happens when the server first reports an expected transfer size, and then delivers data that does not match the previously given size. 文件传输比预期的要短或大。当服务器首先报告预期的传输大小，然后传送与先前给定的大小不匹配的数据时，就会发生这种情况。
This was either a weird reply to a 'RETR' command or a zero byte transfer complete. 这要么是对“RETR”命令的奇怪回复，要么是零字节传输完成。
Obsolete Error 过时错误
Not used in modern versions. 在现代版本中不使用。
When sending custom "QUOTE" commands to the remote server, one of the commands returned an error code that was 400 or higher (for FTP) or otherwise indicated unsuccessful completion of the command. 向远程服务器发送自定义“QUOTE”命令时，其中一个命令返回的错误代码为 400 或更高（对于 FTP），或者以其他方式指示命令未成功完成。
This is returned if CURLOPT_FAILONERROR is set true and the HTTP server returns an error code that is >= 400. 如果CURLOPT_FAILONERROR设置为 true，并且 HTTP 服务器返回 >= 400 的错误代码，则返回此值。
An error occurred when writing received data to a local file, or an error was returned to libcurl from a write callback. 将接收到的数据写入本地文件时出错，或者从写入回调返回到 libcurl 时出错。