fall off a cliff
成語所屬單字cliff
fall off a cliff — 慣用語
1. to drop or decline suddenly and dramatically, especially in value, sales, or pop
1.慣用語
釋義
暴跌；急遽下降
to drop or decline suddenly and dramatically, especially in value, sales, or popularity
例句
After the product recall, the company's sales fell off a cliff.
The show's ratings fell off a cliff after the main actor left.