Can anyone in the know illuminate which spoken language(s) pose the greatest difficulty to machine learning translation, and…

2019-02-28 IFTTT, Twitter, stephenfortune

Can anyone in the know illuminate which spoken language(s) pose the greatest difficulty to machine learning translation, and what about their articulation makes it such?
— Stephen Fortune (@stephenfortune) February 28, 2019

(via http://twitter.com/stephenfortune/status/1101235842381762562)