infall

n.(河流的)汇流处,(道路的)交叉处,(水库,湖泊等的)进水口,入侵,流入

绝对可靠的；绝对无误的；绝对不会出错的

形容词

1. The infallible evidence proved his innocence beyond any doubt.
绝对可靠的证据无疑证明了他的清白。

2. Mary is known for her infallible instincts when it comes to investing in the stock market.
当涉及到在股市上投资时，Mary以她绝对准确的直觉而闻名。