不敢造次
      Explanation: Rash: a hasty, reckless. Means not hasty or reckless haste in
      Usage: Verb-object type; for the predicate; means careful work
      Source: Original Song, Buddhism, Taoism, "Jing Chuan Deng Lu" Volume 19: "What change of position that person A can not rash."
  • Thesaurus:  to take careful precautions