1
I use artha for that, just remove all the search engines from Pot Player's word searching feature leaving copy to clip board. Now when, you will pause the video and click on text, and then press artha global hotkey, it will popup the meaning of selected word. Just keep in mind to select never in "Stay on Top" option.
There isn't one.
%s
is language independent. It's a command line parameter or similar. – DavidPostill – 2016-07-06T18:25:48.920