项目地址：https://github.com/soimort/translate-shell
另外一个项目地址：https://www.soimort.org/translate-shell/
两种安装方法：
1、git clone https://github.com/soimort/translate-shell && cd translate-shell
make
sudo make install
2、apt-get install translate-shell
安装完成后，以下是常用命令：
1、查看支持语言类型：trans -T
2、翻译中文到英文：
#trans :en 你好
你好
(Nǐ hǎo)
Hello
Definitions of 你好
[ 简体中文 -> English ]
interjection
Hello!
你好!, 喂!
Hi!
嗨!, 你好!
Hallo!
你好!
你好
Hello, Hi, Hello there
3、翻译一个文本文件：
trans :en file:///home/sapoclay/gtrans.txt
4、交互模式：
trans -shell en:es thanks
其他具体用法可以参考github官网，或者以下帮助文档：
其他具体用法可以参考github官网，或者以下帮助文档：
Usage: trans [OPTIONS] [SOURCES]:[TARGETS] [TEXT]...
Information options:
-V, -version
Print version and exit.
-H, -help
Print help message and exit.
-M, -man
Show man page and exit.
-T, -reference
Print reference table of languages (in endonyms) and codes, and exit.
-R, -reference-english
Print reference table of languages (in English names) and codes, and exit.
-S, -list-engines
List available translation engines and exit.
-list-languages
List all languages (in endonyms) and exit.
-list-languages-english
List all languages (in English names) and exit.
-list-codes
List all codes and exit.
-list-all
List all languages (endonyms and English names) and codes, and exit.
-L CODES, -linguist CODES
Print details of languages and exit.
-U, -upgrade
Check for upgrade of this program.
Translator options:
-e ENGINE, -engine ENGINE
Specify the translation engine to use.
Display options:
-verbose
Verbose mode. (default)
-b, -brief
Brief mode.
-d, -dictionary
Dictionary mode.
-identify
Language identification.
-show-original Y/n
Show original text or not.
-show-original-phonetics Y/n
Show phonetic notation of original text or not.
-show-translation Y/n
Show translation or not.
-show-translation-phonetics Y/n
Show phonetic notation of translation or not.
-show-prompt-message Y/n
Show prompt message or not.
-show-languages Y/n
Show source and target languages or not.
-show-original-dictionary y/N
Show dictionary entry of original text or not.
-show-dictionary Y/n
Show dictionary entry of translation or not.
-show-alternatives Y/n
Show alternative translations or not.
-w NUM, -width NUM
Specify the screen width for padding.
-indent NUM
Specify the size of indent (number of spaces).
-theme FILENAME
Specify the theme to use.
-no-theme
Do not use any other theme than default.
-no-ansi
Do not use ANSI escape codes.
-no-autocorrect
Do not autocorrect. (if defaulted by the translation engine)
-no-bidi
Do not convert bidirectional texts.
-bidi
Always convert bidirectional texts.
-no-warn
Do not write warning messages to stderr.
-dump
Print raw API response instead.
Audio options:
-p, -play
Listen to the translation.
-speak
Listen to the original text.
-n VOICE, -narrator VOICE
Specify the narrator, and listen to the translation.
-player PROGRAM
Specify the audio player to use, and listen to the translation.
-no-play
Do not listen to the translation.
-no-translate
Do not translate anything when using -speak.
-download-audio
Download the audio to the current directory.
-download-audio-as FILENAME
Download the audio to the specified file.
Terminal paging and browsing options:
-v, -view
View the translation in a terminal pager.
-pager PROGRAM
Specify the terminal pager to use, and view the translation.
-no-view, -no-pager
Do not view the translation in a terminal pager.
-browser PROGRAM
Specify the web browser to use.
-no-browser
Do not open the web browser.
Networking options:
-x HOST:PORT, -proxy HOST:PORT
Use HTTP proxy on given port.
-u STRING, -user-agent STRING
Specify the User-Agent to identify as.
-4, -ipv4, -inet4-only
Connect only to IPv4 addresses.
-6, -ipv6, -inet6-only
Connect only to IPv6 addresses.
Interactive shell options:
-I, -interactive, -shell
Start an interactive shell.
-E, -emacs
Start the GNU Emacs front-end for an interactive shell.
-no-rlwrap
Do not invoke rlwrap when starting an interactive shell.
I/O options:
-i FILENAME, -input FILENAME
Specify the input file.
-o FILENAME, -output FILENAME
Specify the output file.
Language preference options:
-hl CODE, -host CODE
Specify the host (interface) language.
-s CODES, -sl CODES, -source CODES, -from CODES
Specify the source language(s), joined by '+'.
-t CODES, -tl CODES, -target CODES, -to CODES
Specify the target language(s), joined by '+'.
Text preprocessing options:
-j, -join-sentence
Treat all arguments as one single sentence.
Other options:
-no-init
Do not load any initialization script.
See the man page trans(1) for more information.