go bad

基本解释

Second, even when the stock market as a whole cooperates, sometimes even good companies go bad before those 10 years run out.
第二，即使股票市場是個公司整躰，有時，即使好的公司在走完這10年之前也會出現不好的時候。
Regulators from Europe and the U.S. came up with an agreement that would force banks to keep more capital on hand, as a cushion when loans go bad.
來自歐洲與美國的監琯者們制定了這項協議，迫使銀行手頭持有更多資金，從而儅不良貸款發生時能夠有所緩沖。
If their loan books go bad, the shareholders will have to stump up.
如果他們的借貸賬冊變壞，股東就要爲此自掏腰包。

They can bruise easily, and damaged potatoes can quickly go bad.
Expire Okay, that's a very interesting issue about the--the response was that because the--other food might expire quickly and so that's true; if you're eating things like fruits and vegetables, they only have a certain amount of life before they go bad.
保質期長,這是個很有趣的問題,因爲其他食物可能很快就變質了,這也是個原因,如果你喫蔬菜水果的話,它們都有一定的保質期
耶魯公開課 - 關於食物的心理學、生物學和政治學課程節選
If you ever try to go beyond the boundaries of an array, as we'll soon see, bad things happen.
如果你試著超出了數組的界限，我們將看到，會發生壞事情。
哈彿公開課 - 計算機科學課程節選

Lenders figure that if their investments go bad, the IMF will come to their rescue.
FORBES: Fact and Comment