blackleg

black·leg /ˈblækleɡ/ noun [countableC] British EnglishBrE

BELsomeone who continues to work when other workers are on strike – used to show disapproval 破坏罢工的工人，工贼〔含贬义〕

Examples from the Corpus

blackleg• Picketing gave way to marches through factories, when workers would chase blacklegs and occasionally kidnap managers.• Across the road in a secure compound are the buildings that house the mostly out-of-state blacklegs.• The blackleg buses disappeared off the streets and other vehicles which had been beginning to return to the roads.

From Longman Business Dictionary

blacklegblack·leg /ˈblækleg/ noun [countableC] British EnglishBrE

a worker who continues to work during a strike or who does the work of someone who is on strike

Chinese seamen were brought in from outside and used as blacklegs by the employers.

Chinese

Syllable

Corpus