go and do
went and do
主管来了，这个自认为很重要的人要对我们所有的人讲该怎样去干我们的活。
Here comes the supervisor; the great I am is going to tell us all how to do our jobs.
各回各位去干自己的工作吧。
Return to your place and get on with your work.
从前，许多非洲黑人被抓住后，当作奴隶被送往美洲去干活。
In the past, many black Africans were captured and sent to America to work as slaves.