sabotage, jeopardize

sabotage:  (시설물, 무기, 건물 등을) 고의로 파괴하다.                                    (적 또는 상대방을 불리하게 하기 위해)
(계획이) 시행되지 못하도록 고의로 방해하다.        
to ​damage or ​destroy ​equipment, ​weapons, or buildings in ​order to ​prevent the ​success of anenemy or ​competitor:
The ​rebels had ​tried to sabotage the ​oil ​pipeline.
to ​intentionally ​prevent the ​success of a ​plan or ​action.
This was a ​deliberate ​attempt to sabotage the ​ceasefire.
Enemy ​agents had sabotaged the ​bridge.
The ​bombing was ​meant to sabotage the ​peace ​talks.
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jeopardize: (계획이나 미래)                                      ~를 위험에 빠뜨리다. 궁지에 빠드리다.
to put something such as a ​plan or ​system in ​danger of
being harmed or ​damaged:
She ​knew that by ​failing her ​finals she could jeopardize
her whole ​future.