On the hunt正在尋找

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.

（還想一個表達:bump into（人)）

Spoiler alert 劇透警告

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