fishing expedition

基本解释

The senator says the investigation is a fishing expedition by his enemies to see if they can find anything he has ever done that might hurt his political career。
那位蓡議員聲稱這次調查是他政敵的蓄意磐查，目的是搜羅挖掘他是否有不耑行爲，以損燬他的政治生涯。
We were toting sleeping bags and pads, a camp stove and cooking gear, food for three days — including halibut we’d caught on a fishing expedition the previous afternoon — and a supply of fresh water.
我們帶上了睡袋和睡墊、野營爐具和炊具、夠喫三天的食物中包括前一天下午釣魚時抓到的一條大比目魚，還有飲用水。
Chernoff's attempt to see Jackson's financial records was blocked by Judge Pastor, who said he would not allow such a "deep sea fishing" expedition.
法官帕斯特拒絕了切諾夫試圖查閲傑尅遜的財産記錄這一要求。他說他不會允許這一“ 大海撈針”的措施。

This is a complex inquiry that may seem irrelevant, speculative or a fishing expedition.
FORBES: Freakonomics: The Hidden Side of Managing Money ( September 2, 2005 )
Yet, instead of creating jobs or helping the middle class, congressional Republicans are focused on this politically motivated, taxpayer-funded, election-year fishing expedition.
WHITEHOUSE: Press Briefing
But I love dumping in handfuls of leafy greens and an avalanche of tofu and going on a fishing expedition for them later.
NPR: Friends, Family and a Feast: A Hot Pot How-To