Translate a subtitles *.srt file to any language using Google Translate API.
Just move srtranslate file in a directory in your PATH.
Do not forget to chmod +x it.
srtranslate <source language> <target language> PATH_TO_FILE.srt
Executing this in a directory containing the file video.srt:
srtranslate en it video.srt
will produce the file video_it.srt.