dumpster diving

基本解释

Dumpster diving, phone scams, fake mail, security bypassing.
垃圾寻找，电话诡计，伪造邮件，安全绕过。
A couple of times, Mariana says, she did some Dumpster-diving when she spotted a local market throwing out 'big bags of bread perfectly packaged.'
玛丽安娜说，有那么几次，她发现当地一家市场正在扔掉包装很好的大袋面包，她还把面包拣了回去。
Poor boy's had it rough—he was living in that same alley, and the pickings from Dumpster diving were slim after the homeless folks took what they needed.
这可怜的孩子受了不少苦——他就住在我捡到盒子的那个小巷里，从垃圾车倾倒的垃圾堆里捡东西吃——而垃圾堆被无家可归的人们翻捡一遍后，就剩不下什么给他了。

He had also worked several prior cases with Jeff Novitzky, and says that he introduced Novitzky to the art of dumpster diving.
NEWYORKER: King of Walks
There's also, of course, the low-level method, which is--you've heard of Dumpster diving and people going through mailboxes and that kind of thing.
NPR: Understanding Identity Theft
Buy a shredder and use it for all bills and receipts because "dumpster diving" is a gold mine of personal information for identity thieves.
FORBES: Seven Ways To Foil ID Thieves

the practice of searching through dustbins for discarded but still usable or valuable objects such as food or clothes