打开英语词典，搜索单词 tunnel，不难发现其常用意思一般如下：1、 n. 隧道；坑道；洞穴通道；2、vt. 挖；在…打开通道；在…挖掘隧道；3、vi. 挖掘隧道；打开通道。

       今天带大家来了解一种新的表达用法，表示“(人生)路”。举两个例子。一是科比退役信，“I love you so deep I gave you my all-from my mind and body, to my spirit and soul, as a six-year-old boy, deeply in love with you. I never saw the end of the tunnel. ” 二是 J·K· Rowling 罗琳在哈佛大学的毕业演讲： "That period of my life was a dark one, and I had no idea how far the tunnel ended. "