1PROVEsomething that proves that someone was not where a crime happened and therefore could not have done it 不在犯罪现场的证明
a perfect/cast-iron/unshakeable etc alibi
He had a perfect alibi and the police let him go.
他有不在犯罪现场的确凿证明,警方便放了他。
2.REASONan excuse for something you have failed to do or have done wrong 借口,托词
Examples from the Corpus
alibi• When an alibi was produced, they said the offence took place in May 1992.• An excellentalibi, too: no one would question the word of the esteemedProfessor Summerlee.• And it was my lies to the police which had given him his non-existent alibi.• But he also walked through the 17-year history of his relationship with Nicole and every last detail of his alibi.• Nor did he review his alibi in any detail.• According to Ken Harris, she has a cast-ironalibi.• But it gives Tom an unimpeachablealibi.
had ... alibi• Scamphad an airtight alibi, naturally, but then again young Leakey never said who exactly had done it.