1. I stumbled across this book in the drawer.
    我在抽屉里碰巧找到这本书。

1. 偶然发现：take counsel 商量,征求意见 | stumble across 偶然发现 | summon up 振作,鼓起

2. \u0064\u0061\u006E\u0063\u0069\u002E\u0039\u0031\u0031\u0063\u0068\u0061\u002E\u0063\u006F\u006D

2. 无意中发现：无条件的爱unconditional love | 无意中发现stumble across | 童话式婚礼a fairytale wedding

3. 无意撞上,偶然遇到：hunt v. 打猎,狩猎;寻找 | stumble across 无意撞上,偶然遇到 | distract v. 分散注意力

1. 意外发现;偶然看见
    If you stumble across something or stumble on it, you find it or discover it unexpectedly.

stumble across的反义词

    e.g. I stumbled across an extremely simple but very exact method for understanding where my money went...
           我意外发现了一个非常简单却能精确了解我所花钱去向的方法。
    e.g. History relates that they stumbled on a magnificent waterfall.
           历史上记载他们曾意外地发现了一处壮观的瀑布。