alibi

名词 alibi:

1. (law) a defense by an accused person purporting to show that he or she could not have committed the crime in question
2. a defense of some offensive behavior or some failure to keep a promise etc.
   同义词：excuse, exculpation, self-justification

动词 alibi:

1. exonerate by means of an alibi

1. They've got nothing on me I've got an alibi.
   他们没抓我的罪证--我有不在现场的证据。
2. The false alibi threw the police off the scent.
   那个不在犯罪现场的伪证使警方失去了线索。