銳減

锐减
ruìjiǎn
steep decline

CEDICT

to fall sharply; to plummet; to decline drastically

Wiktionary

大量的減少。

重編國語辭典

Entry Composition

1 銳 ruì acute
2 減 jiǎn
  1. to lower
  2. to decrease
  3. to reduce
  4. to subtract
  5. to diminish