工人们都很愤怒，因为有个工贼在罢工期间继续工作。

The workers were furious because a ___blackleg kept working during the strike.

那个赌场因为一名著名骗子被抓到作弊而被关闭了。

The casino was shut down after a famous ___cheat was caught cheating.

兽医建议给羊群注射疫苗以防黑腿病爆发。

The vet recommended vaccinating the sheep to protect them from ___blackleg.