unimpeachable是什么意思 a. 无懈可击的, 无可指责的, 无过失的 s. beyond doubt or reproach unimpeachable的用法和例句: 1. No. I promise, it's an unimpeachable source. 我发誓没有 这消息来源无可置疑 2. Even if I had the money, his honor is unimpeachable. 就算我...