每天3分钟，跟着油管博主学习地道英语口语！

On the hunt正在寻找

Stumble across偶然遇到

stumble on/across/upon something phrasal verb

to find or discover something by chance and unexpectedly  SYN come across

 Researchers have stumbled across a drug that may help patients with Parkinson’s disease.

（还想一个表达:bump into（人)）

Spoiler alert 剧透警告

Spoiler refers to:

a message or report that is intended to ruin the surprising part of a popular film, book etc by telling people about the surprise before they see or read it