ㄉㄞˋdàiㄍㄨㄥgōng

  1. 工人達到目的取得利益特定日期故意降低工作效率行動加班

to slacken off in one's work, to go slow (as a form of strike)​
sabotage
Bummelstreik (S)​, die Arbeit verzögern (V)​