BELan occasion when workers suddenly stop working in order to protest about something, usually without the support of a trade union 野猫式罢工〔指通常未经工会批准的突然罢工〕
Examples from the Corpus
wildcat strike• The closed shop and the wildcat strike have undermined the legitimacy of modern trade unionism.
From Longman Business Dictionary
wildcat strikeˌwildcat ˈstrikeHUMAN RESOURCES
a strike in which workers suddenly stop working in order to protest about something, but which has not been approved by the union