I had a similar situation on a bigger scale. I was once put on a project at a bank where they had to hire more then 100 people in 2 months span. The workforce e

I had a similar situation on a bigger scale. I was once put on a project at a bank where they had to hire more then 100 people in 2 months span. The workforce ended up being made of 80% Chinese people. The best way to describe there English would to say it was rough if they even actually spoke English. They slowly started to pick up certain keywords like strong or efficient or repeat the same sentence to answer questions that sound similar which would sometime come out offensive. My recruiting agency solution to this problem was to have them sign a contract every 2 weeks or so stating which words or sentences they couldn't use any more, or have certain people train them new sentences or words to use so they wouldn't repeatedly show up in reports. It is one of the few training exercise I skip on the regular.