“并不是我不相信你，梅格，”杰克说，语气难以令人信服。

"It's not that I don't believe you, Meg," Jack said, unconvincingly.

《柯林斯英汉双解大词典》

说其中一个是拿破仑，另一个不是拿破仑，似乎都难以令人信服。

Saying that one of them is Napoleon and the other one isn't seems very hard to believe.

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