go (out) on strike
To refuse to take part in one's work duties as part of an official work stoppage organized by a labor union. Workers of the mine went on strike over what they say are unsafe working conditions and inadequate pay.
go (out) on strike
and go out (on strike)[for a group of people] to quit working at their jobs until certain demands are met. If we don't have a contract by noon tomorrow, we'll go out on strike. The entire workforce went on strike at noon today.