shifting sands
成語所屬單字sand
shifting sands — 慣用語
1. a situation that changes frequently and unpredictably, making it difficult to pl
1.慣用語
釋義
變動不居的局面；情勢變幻莫測
a situation that changes frequently and unpredictably, making it difficult to plan or feel secure.
例句
The political landscape in the region is like shifting sands — no alliance lasts more than a few months.
New technology has turned the publishing industry into shifting sands, with old business models disappearing every year.