他的不在场证明是一个充满矛盾的、不太可信的故事。

His alibi was an ___unlikely story full of contradictions.

对一部情节不太可能的小说之反思——有人会这样评价安·帕切特的《美声》：“它始于一个吻，终于一个转折”。

Reflections on an ___unlikely tale - 'It started with a kiss and ended with a twist', one would remark on Ann Patchett's 'Bel Canto'.

鉴于现有证据，被告对事件的描述似乎极不可能准确。

Given the evidence, it seems highly ___unlikely that the defendant's version of events is accurate.