然而: yet; but; however; nevertheless 短语和例子他已年老, 然而记忆力还好。 he is aged, but his memory is still good. 这消息可能是出乎意料的, 然而是真实的。 the news may be unexpected; nevertheless, it is true. 虽然面临许多困难, 然而我们对胜利仍充
坚信不疑: have infinite faith in ...; profound faith in ...; not have the slightest doubt